Home / 907,996.20-1,253,019.27-500,136.18

Finding the Fourth Proportional to 907,996.20, 1,253,019.27 and 500,136.18

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Solution

The fourth proportional to 907,996.20, 1,253,019.27 and 500,136.18 is: 690,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,996.20 : 1,253,019.27 = 500,136.18 : x
  2. Step 2: Convert to fraction form
    907,996.20/1,253,019.27 = 500,136.18/x
  3. Step 3: Cross multiply
    907,996.20x = 1,253,019.27 × 500,136.18
  4. Step 4: Simplify right side
    907,996.20x = 626,680,271,164.19
  5. Step 5: Solve for x
    x = 626,680,271,164.19/907,996.20
  6. Step 6: Final answer
    x = 690,179.40

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Double scale
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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.