Home / 750,781.54-1,036,078.96-411,255.46

Finding the Fourth Proportional to 750,781.54, 1,036,078.96 and 411,255.46

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Solution

The fourth proportional to 750,781.54, 1,036,078.96 and 411,255.46 is: 567,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,781.54 : 1,036,078.96 = 411,255.46 : x
  2. Step 2: Convert to fraction form
    750,781.54/1,036,078.96 = 411,255.46/x
  3. Step 3: Cross multiply
    750,781.54x = 1,036,078.96 × 411,255.46
  4. Step 4: Simplify right side
    750,781.54x = 426,093,124,110.73
  5. Step 5: Solve for x
    x = 426,093,124,110.73/750,781.54
  6. Step 6: Final answer
    x = 567,532.77

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1.5x scale

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.