Home / 679,500.33-937,711.06-373,581.92

Finding the Fourth Proportional to 679,500.33, 937,711.06 and 373,581.92

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Solution

The fourth proportional to 679,500.33, 937,711.06 and 373,581.92 is: 515,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,500.33 : 937,711.06 = 373,581.92 : x
  2. Step 2: Convert to fraction form
    679,500.33/937,711.06 = 373,581.92/x
  3. Step 3: Cross multiply
    679,500.33x = 937,711.06 × 373,581.92
  4. Step 4: Simplify right side
    679,500.33x = 350,311,891,643.57
  5. Step 5: Solve for x
    x = 350,311,891,643.57/679,500.33
  6. Step 6: Final answer
    x = 515,543.37

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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.