Home / 762,607.60-1,051,961.25-475,629.46

Finding the Fourth Proportional to 762,607.60, 1,051,961.25 and 475,629.46

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Solution

The fourth proportional to 762,607.60, 1,051,961.25 and 475,629.46 is: 656,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,607.60 : 1,051,961.25 = 475,629.46 : x
  2. Step 2: Convert to fraction form
    762,607.60/1,051,961.25 = 475,629.46/x
  3. Step 3: Cross multiply
    762,607.60x = 1,051,961.25 × 475,629.46
  4. Step 4: Simplify right side
    762,607.60x = 500,343,761,278.43
  5. Step 5: Solve for x
    x = 500,343,761,278.43/762,607.60
  6. Step 6: Final answer
    x = 656,095.95

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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.