Home / 755,781.60-1,133,672.40-531,395.40

Finding the Fourth Proportional to 755,781.60, 1,133,672.40 and 531,395.40

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Solution

The fourth proportional to 755,781.60, 1,133,672.40 and 531,395.40 is: 797,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,781.60 : 1,133,672.40 = 531,395.40 : x
  2. Step 2: Convert to fraction form
    755,781.60/1,133,672.40 = 531,395.40/x
  3. Step 3: Cross multiply
    755,781.60x = 1,133,672.40 × 531,395.40
  4. Step 4: Simplify right side
    755,781.60x = 602,428,298,466.96
  5. Step 5: Solve for x
    x = 602,428,298,466.96/755,781.60
  6. Step 6: Final answer
    x = 797,093.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.