Home / 1,425,666.24-2,138,695.92-479,110.32

Finding the Fourth Proportional to 1,425,666.24, 2,138,695.92 and 479,110.32

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Solution

The fourth proportional to 1,425,666.24, 2,138,695.92 and 479,110.32 is: 718,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,666.24 : 2,138,695.92 = 479,110.32 : x
  2. Step 2: Convert to fraction form
    1,425,666.24/2,138,695.92 = 479,110.32/x
  3. Step 3: Cross multiply
    1,425,666.24x = 2,138,695.92 × 479,110.32
  4. Step 4: Simplify right side
    1,425,666.24x = 1,024,671,286,613.89
  5. Step 5: Solve for x
    x = 1,024,671,286,613.89/1,425,666.24
  6. Step 6: Final answer
    x = 718,731.54

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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.