Home / 861,792.26-1,189,281.50-479,827.24

Finding the Fourth Proportional to 861,792.26, 1,189,281.50 and 479,827.24

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Solution

The fourth proportional to 861,792.26, 1,189,281.50 and 479,827.24 is: 662,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,792.26 : 1,189,281.50 = 479,827.24 : x
  2. Step 2: Convert to fraction form
    861,792.26/1,189,281.50 = 479,827.24/x
  3. Step 3: Cross multiply
    861,792.26x = 1,189,281.50 × 479,827.24
  4. Step 4: Simplify right side
    861,792.26x = 570,649,659,728.06
  5. Step 5: Solve for x
    x = 570,649,659,728.06/861,792.26
  6. Step 6: Final answer
    x = 662,166.15

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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.