Home / 935,616.96-1,291,149.18-505,895.76

Finding the Fourth Proportional to 935,616.96, 1,291,149.18 and 505,895.76

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Solution

The fourth proportional to 935,616.96, 1,291,149.18 and 505,895.76 is: 698,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,616.96 : 1,291,149.18 = 505,895.76 : x
  2. Step 2: Convert to fraction form
    935,616.96/1,291,149.18 = 505,895.76/x
  3. Step 3: Cross multiply
    935,616.96x = 1,291,149.18 × 505,895.76
  4. Step 4: Simplify right side
    935,616.96x = 653,186,895,689.48
  5. Step 5: Solve for x
    x = 653,186,895,689.48/935,616.96
  6. Step 6: Final answer
    x = 698,134.95

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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.