Home / 649,098.32-972,777.17-505,177.93

Finding the Fourth Proportional to 649,098.32, 972,777.17 and 505,177.93

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Solution

The fourth proportional to 649,098.32, 972,777.17 and 505,177.93 is: 757,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,098.32 : 972,777.17 = 505,177.93 : x
  2. Step 2: Convert to fraction form
    649,098.32/972,777.17 = 505,177.93/x
  3. Step 3: Cross multiply
    649,098.32x = 972,777.17 × 505,177.93
  4. Step 4: Simplify right side
    649,098.32x = 491,425,549,702.08
  5. Step 5: Solve for x
    x = 491,425,549,702.08/649,098.32
  6. Step 6: Final answer
    x = 757,089.54

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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.