Home / 754,025.92-1,040,547.36-409,854.40

Finding the Fourth Proportional to 754,025.92, 1,040,547.36 and 409,854.40

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Solution

The fourth proportional to 754,025.92, 1,040,547.36 and 409,854.40 is: 565,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,025.92 : 1,040,547.36 = 409,854.40 : x
  2. Step 2: Convert to fraction form
    754,025.92/1,040,547.36 = 409,854.40/x
  3. Step 3: Cross multiply
    754,025.92x = 1,040,547.36 × 409,854.40
  4. Step 4: Simplify right side
    754,025.92x = 426,472,913,904.38
  5. Step 5: Solve for x
    x = 426,472,913,904.38/754,025.92
  6. Step 6: Final answer
    x = 565,594.50

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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.