Home / 1,098,929.06-1,516,177.77-615,428.90

Finding the Fourth Proportional to 1,098,929.06, 1,516,177.77 and 615,428.90

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Solution

The fourth proportional to 1,098,929.06, 1,516,177.77 and 615,428.90 is: 849,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,929.06 : 1,516,177.77 = 615,428.90 : x
  2. Step 2: Convert to fraction form
    1,098,929.06/1,516,177.77 = 615,428.90/x
  3. Step 3: Cross multiply
    1,098,929.06x = 1,516,177.77 × 615,428.90
  4. Step 4: Simplify right side
    1,098,929.06x = 933,099,617,195.55
  5. Step 5: Solve for x
    x = 933,099,617,195.55/1,098,929.06
  6. Step 6: Final answer
    x = 849,099.05

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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.