Home / 1,098,928.56-1,516,177.08-615,428.40

Finding the Fourth Proportional to 1,098,928.56, 1,516,177.08 and 615,428.40

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Solution

The fourth proportional to 1,098,928.56, 1,516,177.08 and 615,428.40 is: 849,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,928.56 : 1,516,177.08 = 615,428.40 : x
  2. Step 2: Convert to fraction form
    1,098,928.56/1,516,177.08 = 615,428.40/x
  3. Step 3: Cross multiply
    1,098,928.56x = 1,516,177.08 × 615,428.40
  4. Step 4: Simplify right side
    1,098,928.56x = 933,098,434,461.07
  5. Step 5: Solve for x
    x = 933,098,434,461.07/1,098,928.56
  6. Step 6: Final answer
    x = 849,098.36

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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.