Home / 1,138,764.83-1,571,447.59-655,346.70

Finding the Fourth Proportional to 1,138,764.83, 1,571,447.59 and 655,346.70

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Solution

The fourth proportional to 1,138,764.83, 1,571,447.59 and 655,346.70 is: 904,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,764.83 : 1,571,447.59 = 655,346.70 : x
  2. Step 2: Convert to fraction form
    1,138,764.83/1,571,447.59 = 655,346.70/x
  3. Step 3: Cross multiply
    1,138,764.83x = 1,571,447.59 × 655,346.70
  4. Step 4: Simplify right side
    1,138,764.83x = 1,029,842,990,691.09
  5. Step 5: Solve for x
    x = 1,029,842,990,691.09/1,138,764.83
  6. Step 6: Final answer
    x = 904,350.90

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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.