Home / 892,516.48-1,231,686.86-484,618.10

Finding the Fourth Proportional to 892,516.48, 1,231,686.86 and 484,618.10

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Solution

The fourth proportional to 892,516.48, 1,231,686.86 and 484,618.10 is: 668,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,516.48 : 1,231,686.86 = 484,618.10 : x
  2. Step 2: Convert to fraction form
    892,516.48/1,231,686.86 = 484,618.10/x
  3. Step 3: Cross multiply
    892,516.48x = 1,231,686.86 × 484,618.10
  4. Step 4: Simplify right side
    892,516.48x = 596,897,745,888.17
  5. Step 5: Solve for x
    x = 596,897,745,888.17/892,516.48
  6. Step 6: Final answer
    x = 668,780.64

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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.