Home / 457,217.30-630,897.38-253,217.86

Finding the Fourth Proportional to 457,217.30, 630,897.38 and 253,217.86

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Solution

The fourth proportional to 457,217.30, 630,897.38 and 253,217.86 is: 349,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,217.30 : 630,897.38 = 253,217.86 : x
  2. Step 2: Convert to fraction form
    457,217.30/630,897.38 = 253,217.86/x
  3. Step 3: Cross multiply
    457,217.30x = 630,897.38 × 253,217.86
  4. Step 4: Simplify right side
    457,217.30x = 159,754,484,443.21
  5. Step 5: Solve for x
    x = 159,754,484,443.21/457,217.30
  6. Step 6: Final answer
    x = 349,406.04

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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.