Home / 865,835.30-1,194,079.04-543,575.42

Finding the Fourth Proportional to 865,835.30, 1,194,079.04 and 543,575.42

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Solution

The fourth proportional to 865,835.30, 1,194,079.04 and 543,575.42 is: 749,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,835.30 : 1,194,079.04 = 543,575.42 : x
  2. Step 2: Convert to fraction form
    865,835.30/1,194,079.04 = 543,575.42/x
  3. Step 3: Cross multiply
    865,835.30x = 1,194,079.04 × 543,575.42
  4. Step 4: Simplify right side
    865,835.30x = 649,072,015,681.20
  5. Step 5: Solve for x
    x = 649,072,015,681.20/865,835.30
  6. Step 6: Final answer
    x = 749,648.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.