Home / 1,002,611.90-1,383,691.88-549,990.38

Finding the Fourth Proportional to 1,002,611.90, 1,383,691.88 and 549,990.38

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Solution

The fourth proportional to 1,002,611.90, 1,383,691.88 and 549,990.38 is: 759,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,611.90 : 1,383,691.88 = 549,990.38 : x
  2. Step 2: Convert to fraction form
    1,002,611.90/1,383,691.88 = 549,990.38/x
  3. Step 3: Cross multiply
    1,002,611.90x = 1,383,691.88 × 549,990.38
  4. Step 4: Simplify right side
    1,002,611.90x = 761,017,222,884.11
  5. Step 5: Solve for x
    x = 761,017,222,884.11/1,002,611.90
  6. Step 6: Final answer
    x = 759,034.70

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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.