Home / 651,218.92-977,723.14-331,585.53

Finding the Fourth Proportional to 651,218.92, 977,723.14 and 331,585.53

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Solution

The fourth proportional to 651,218.92, 977,723.14 and 331,585.53 is: 497,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,218.92 : 977,723.14 = 331,585.53 : x
  2. Step 2: Convert to fraction form
    651,218.92/977,723.14 = 331,585.53/x
  3. Step 3: Cross multiply
    651,218.92x = 977,723.14 × 331,585.53
  4. Step 4: Simplify right side
    651,218.92x = 324,198,847,196.15
  5. Step 5: Solve for x
    x = 324,198,847,196.15/651,218.92
  6. Step 6: Final answer
    x = 497,833.89

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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.