Home / 1,212,410.07-1,673,090.10-668,545.71

Finding the Fourth Proportional to 1,212,410.07, 1,673,090.10 and 668,545.71

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Solution

The fourth proportional to 1,212,410.07, 1,673,090.10 and 668,545.71 is: 922,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,410.07 : 1,673,090.10 = 668,545.71 : x
  2. Step 2: Convert to fraction form
    1,212,410.07/1,673,090.10 = 668,545.71/x
  3. Step 3: Cross multiply
    1,212,410.07x = 1,673,090.10 × 668,545.71
  4. Step 4: Simplify right side
    1,212,410.07x = 1,118,537,208,798.47
  5. Step 5: Solve for x
    x = 1,118,537,208,798.47/1,212,410.07
  6. Step 6: Final answer
    x = 922,573.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.