Home / 753,614.67-1,129,105.70-628,061.74

Finding the Fourth Proportional to 753,614.67, 1,129,105.70 and 628,061.74

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Solution

The fourth proportional to 753,614.67, 1,129,105.70 and 628,061.74 is: 940,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,614.67 : 1,129,105.70 = 628,061.74 : x
  2. Step 2: Convert to fraction form
    753,614.67/1,129,105.70 = 628,061.74/x
  3. Step 3: Cross multiply
    753,614.67x = 1,129,105.70 × 628,061.74
  4. Step 4: Simplify right side
    753,614.67x = 709,148,083,370.24
  5. Step 5: Solve for x
    x = 709,148,083,370.24/753,614.67
  6. Step 6: Final answer
    x = 940,995.59

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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.