Home / 781,370.10-1,170,086.85-623,906.10

Finding the Fourth Proportional to 781,370.10, 1,170,086.85 and 623,906.10

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Solution

The fourth proportional to 781,370.10, 1,170,086.85 and 623,906.10 is: 934,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,370.10 : 1,170,086.85 = 623,906.10 : x
  2. Step 2: Convert to fraction form
    781,370.10/1,170,086.85 = 623,906.10/x
  3. Step 3: Cross multiply
    781,370.10x = 1,170,086.85 × 623,906.10
  4. Step 4: Simplify right side
    781,370.10x = 730,024,323,244.79
  5. Step 5: Solve for x
    x = 730,024,323,244.79/781,370.10
  6. Step 6: Final answer
    x = 934,287.51

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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.