Home / 539,020.50-808,527.51-139,660.26

Finding the Fourth Proportional to 539,020.50, 808,527.51 and 139,660.26

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Solution

The fourth proportional to 539,020.50, 808,527.51 and 139,660.26 is: 209,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,020.50 : 808,527.51 = 139,660.26 : x
  2. Step 2: Convert to fraction form
    539,020.50/808,527.51 = 139,660.26/x
  3. Step 3: Cross multiply
    539,020.50x = 808,527.51 × 139,660.26
  4. Step 4: Simplify right side
    539,020.50x = 112,919,162,263.75
  5. Step 5: Solve for x
    x = 112,919,162,263.75/539,020.50
  6. Step 6: Final answer
    x = 209,489.55

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Similar ratio
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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.