Home / 1,440,302.76-2,159,049.99-575,479.86

Finding the Fourth Proportional to 1,440,302.76, 2,159,049.99 and 575,479.86

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Solution

The fourth proportional to 1,440,302.76, 2,159,049.99 and 575,479.86 is: 862,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,302.76 : 2,159,049.99 = 575,479.86 : x
  2. Step 2: Convert to fraction form
    1,440,302.76/2,159,049.99 = 575,479.86/x
  3. Step 3: Cross multiply
    1,440,302.76x = 2,159,049.99 × 575,479.86
  4. Step 4: Simplify right side
    1,440,302.76x = 1,242,489,785,978.20
  5. Step 5: Solve for x
    x = 1,242,489,785,978.20/1,440,302.76
  6. Step 6: Final answer
    x = 862,658.76

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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.