Home / 762,615.60-1,051,972.26-475,637.46

Finding the Fourth Proportional to 762,615.60, 1,051,972.26 and 475,637.46

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Solution

The fourth proportional to 762,615.60, 1,051,972.26 and 475,637.46 is: 656,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,615.60 : 1,051,972.26 = 475,637.46 : x
  2. Step 2: Convert to fraction form
    762,615.60/1,051,972.26 = 475,637.46/x
  3. Step 3: Cross multiply
    762,615.60x = 1,051,972.26 × 475,637.46
  4. Step 4: Simplify right side
    762,615.60x = 500,357,413,736.86
  5. Step 5: Solve for x
    x = 500,357,413,736.86/762,615.60
  6. Step 6: Final answer
    x = 656,106.97

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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.