Home / 457,613.24-631,510.50-253,666.36

Finding the Fourth Proportional to 457,613.24, 631,510.50 and 253,666.36

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Solution

The fourth proportional to 457,613.24, 631,510.50 and 253,666.36 is: 350,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,613.24 : 631,510.50 = 253,666.36 : x
  2. Step 2: Convert to fraction form
    457,613.24/631,510.50 = 253,666.36/x
  3. Step 3: Cross multiply
    457,613.24x = 631,510.50 × 253,666.36
  4. Step 4: Simplify right side
    457,613.24x = 160,192,969,836.78
  5. Step 5: Solve for x
    x = 160,192,969,836.78/457,613.24
  6. Step 6: Final answer
    x = 350,061.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.