Home / 539,792.06-809,689.04-140,432.19

Finding the Fourth Proportional to 539,792.06, 809,689.04 and 140,432.19

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Solution

The fourth proportional to 539,792.06, 809,689.04 and 140,432.19 is: 210,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,792.06 : 809,689.04 = 140,432.19 : x
  2. Step 2: Convert to fraction form
    539,792.06/809,689.04 = 140,432.19/x
  3. Step 3: Cross multiply
    539,792.06x = 809,689.04 × 140,432.19
  4. Step 4: Simplify right side
    539,792.06x = 113,706,402,684.26
  5. Step 5: Solve for x
    x = 113,706,402,684.26/539,792.06
  6. Step 6: Final answer
    x = 210,648.53

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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.