Home / 750,781.61-1,036,079.06-411,255.53

Finding the Fourth Proportional to 750,781.61, 1,036,079.06 and 411,255.53

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Solution

The fourth proportional to 750,781.61, 1,036,079.06 and 411,255.53 is: 567,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,781.61 : 1,036,079.06 = 411,255.53 : x
  2. Step 2: Convert to fraction form
    750,781.61/1,036,079.06 = 411,255.53/x
  3. Step 3: Cross multiply
    750,781.61x = 1,036,079.06 × 411,255.53
  4. Step 4: Simplify right side
    750,781.61x = 426,093,235,705.53
  5. Step 5: Solve for x
    x = 426,093,235,705.53/750,781.61
  6. Step 6: Final answer
    x = 567,532.87

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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.