Home / 1,090,120.17-1,504,345.64-606,681.05

Finding the Fourth Proportional to 1,090,120.17, 1,504,345.64 and 606,681.05

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Solution

The fourth proportional to 1,090,120.17, 1,504,345.64 and 606,681.05 is: 837,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,120.17 : 1,504,345.64 = 606,681.05 : x
  2. Step 2: Convert to fraction form
    1,090,120.17/1,504,345.64 = 606,681.05/x
  3. Step 3: Cross multiply
    1,090,120.17x = 1,504,345.64 × 606,681.05
  4. Step 4: Simplify right side
    1,090,120.17x = 912,657,992,438.12
  5. Step 5: Solve for x
    x = 912,657,992,438.12/1,090,120.17
  6. Step 6: Final answer
    x = 837,208.61

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Double scale
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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.