Home / 762,609.60-1,051,964.01-475,631.46

Finding the Fourth Proportional to 762,609.60, 1,051,964.01 and 475,631.46

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Solution

The fourth proportional to 762,609.60, 1,051,964.01 and 475,631.46 is: 656,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,609.60 : 1,051,964.01 = 475,631.46 : x
  2. Step 2: Convert to fraction form
    762,609.60/1,051,964.01 = 475,631.46/x
  3. Step 3: Cross multiply
    762,609.60x = 1,051,964.01 × 475,631.46
  4. Step 4: Simplify right side
    762,609.60x = 500,347,177,943.76
  5. Step 5: Solve for x
    x = 500,347,177,943.76/762,609.60
  6. Step 6: Final answer
    x = 656,098.71

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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.