Home / 922,129.58-1,272,544.37-514,257.20

Finding the Fourth Proportional to 922,129.58, 1,272,544.37 and 514,257.20

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Solution

The fourth proportional to 922,129.58, 1,272,544.37 and 514,257.20 is: 709,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,129.58 : 1,272,544.37 = 514,257.20 : x
  2. Step 2: Convert to fraction form
    922,129.58/1,272,544.37 = 514,257.20/x
  3. Step 3: Cross multiply
    922,129.58x = 1,272,544.37 × 514,257.20
  4. Step 4: Simplify right side
    922,129.58x = 654,415,102,020.68
  5. Step 5: Solve for x
    x = 654,415,102,020.68/922,129.58
  6. Step 6: Final answer
    x = 709,678.03

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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.