Home / 935,612.20-1,401,344.70-724,565.80

Finding the Fourth Proportional to 935,612.20, 1,401,344.70 and 724,565.80

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Solution

The fourth proportional to 935,612.20, 1,401,344.70 and 724,565.80 is: 1,085,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,612.20 : 1,401,344.70 = 724,565.80 : x
  2. Step 2: Convert to fraction form
    935,612.20/1,401,344.70 = 724,565.80/x
  3. Step 3: Cross multiply
    935,612.20x = 1,401,344.70 × 724,565.80
  4. Step 4: Simplify right side
    935,612.20x = 1,015,366,443,631.26
  5. Step 5: Solve for x
    x = 1,015,366,443,631.26/935,612.20
  6. Step 6: Final answer
    x = 1,085,242.84

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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.