Home / 922,103.64-1,272,508.58-514,231.26

Finding the Fourth Proportional to 922,103.64, 1,272,508.58 and 514,231.26

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Solution

The fourth proportional to 922,103.64, 1,272,508.58 and 514,231.26 is: 709,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,103.64 : 1,272,508.58 = 514,231.26 : x
  2. Step 2: Convert to fraction form
    922,103.64/1,272,508.58 = 514,231.26/x
  3. Step 3: Cross multiply
    922,103.64x = 1,272,508.58 × 514,231.26
  4. Step 4: Simplify right side
    922,103.64x = 654,363,690,454.21
  5. Step 5: Solve for x
    x = 654,363,690,454.21/922,103.64
  6. Step 6: Final answer
    x = 709,642.24

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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.