Home / 702,045.60-1,053,068.40-418,610.40

Finding the Fourth Proportional to 702,045.60, 1,053,068.40 and 418,610.40

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Solution

The fourth proportional to 702,045.60, 1,053,068.40 and 418,610.40 is: 627,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,045.60 : 1,053,068.40 = 418,610.40 : x
  2. Step 2: Convert to fraction form
    702,045.60/1,053,068.40 = 418,610.40/x
  3. Step 3: Cross multiply
    702,045.60x = 1,053,068.40 × 418,610.40
  4. Step 4: Simplify right side
    702,045.60x = 440,825,384,151.36
  5. Step 5: Solve for x
    x = 440,825,384,151.36/702,045.60
  6. Step 6: Final answer
    x = 627,915.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.