Home / 755,292.60-1,132,938.90-256,656.60

Finding the Fourth Proportional to 755,292.60, 1,132,938.90 and 256,656.60

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Solution

The fourth proportional to 755,292.60, 1,132,938.90 and 256,656.60 is: 384,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,292.60 : 1,132,938.90 = 256,656.60 : x
  2. Step 2: Convert to fraction form
    755,292.60/1,132,938.90 = 256,656.60/x
  3. Step 3: Cross multiply
    755,292.60x = 1,132,938.90 × 256,656.60
  4. Step 4: Simplify right side
    755,292.60x = 290,776,246,081.74
  5. Step 5: Solve for x
    x = 290,776,246,081.74/755,292.60
  6. Step 6: Final answer
    x = 384,984.90

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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.