Home / 1,007,761.92-1,390,711.48-555,052.92

Finding the Fourth Proportional to 1,007,761.92, 1,390,711.48 and 555,052.92

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Solution

The fourth proportional to 1,007,761.92, 1,390,711.48 and 555,052.92 is: 765,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,761.92 : 1,390,711.48 = 555,052.92 : x
  2. Step 2: Convert to fraction form
    1,007,761.92/1,390,711.48 = 555,052.92/x
  3. Step 3: Cross multiply
    1,007,761.92x = 1,390,711.48 × 555,052.92
  4. Step 4: Simplify right side
    1,007,761.92x = 771,918,469,071.47
  5. Step 5: Solve for x
    x = 771,918,469,071.47/1,007,761.92
  6. Step 6: Final answer
    x = 765,973.05

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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.