Home / 1,251,695.96-1,877,690.52-398,468.68

Finding the Fourth Proportional to 1,251,695.96, 1,877,690.52 and 398,468.68

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Solution

The fourth proportional to 1,251,695.96, 1,877,690.52 and 398,468.68 is: 597,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,695.96 : 1,877,690.52 = 398,468.68 : x
  2. Step 2: Convert to fraction form
    1,251,695.96/1,877,690.52 = 398,468.68/x
  3. Step 3: Cross multiply
    1,251,695.96x = 1,877,690.52 × 398,468.68
  4. Step 4: Simplify right side
    1,251,695.96x = 748,200,862,952.91
  5. Step 5: Solve for x
    x = 748,200,862,952.91/1,251,695.96
  6. Step 6: Final answer
    x = 597,749.68

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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.