Home / 569,320.71-853,290.55-418,159.36

Finding the Fourth Proportional to 569,320.71, 853,290.55 and 418,159.36

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Solution

The fourth proportional to 569,320.71, 853,290.55 and 418,159.36 is: 626,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,320.71 : 853,290.55 = 418,159.36 : x
  2. Step 2: Convert to fraction form
    569,320.71/853,290.55 = 418,159.36/x
  3. Step 3: Cross multiply
    569,320.71x = 853,290.55 × 418,159.36
  4. Step 4: Simplify right side
    569,320.71x = 356,811,430,282.05
  5. Step 5: Solve for x
    x = 356,811,430,282.05/569,320.71
  6. Step 6: Final answer
    x = 626,731.86

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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.