Home / 623,766.72-935,174.34-516,822.42

Finding the Fourth Proportional to 623,766.72, 935,174.34 and 516,822.42

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Solution

The fourth proportional to 623,766.72, 935,174.34 and 516,822.42 is: 774,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,766.72 : 935,174.34 = 516,822.42 : x
  2. Step 2: Convert to fraction form
    623,766.72/935,174.34 = 516,822.42/x
  3. Step 3: Cross multiply
    623,766.72x = 935,174.34 × 516,822.42
  4. Step 4: Simplify right side
    623,766.72x = 483,319,065,520.70
  5. Step 5: Solve for x
    x = 483,319,065,520.70/623,766.72
  6. Step 6: Final answer
    x = 774,839.46

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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.