Home / 935,298.15-1,401,520.18-486,164.89

Finding the Fourth Proportional to 935,298.15, 1,401,520.18 and 486,164.89

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Solution

The fourth proportional to 935,298.15, 1,401,520.18 and 486,164.89 is: 728,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,298.15 : 1,401,520.18 = 486,164.89 : x
  2. Step 2: Convert to fraction form
    935,298.15/1,401,520.18 = 486,164.89/x
  3. Step 3: Cross multiply
    935,298.15x = 1,401,520.18 × 486,164.89
  4. Step 4: Simplify right side
    935,298.15x = 681,369,904,142.48
  5. Step 5: Solve for x
    x = 681,369,904,142.48/935,298.15
  6. Step 6: Final answer
    x = 728,505.56

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Double scale
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1.5x scale

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.