Home / 731,510.80-1,097,266.20-613,412.80

Finding the Fourth Proportional to 731,510.80, 1,097,266.20 and 613,412.80

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Solution

The fourth proportional to 731,510.80, 1,097,266.20 and 613,412.80 is: 920,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,510.80 : 1,097,266.20 = 613,412.80 : x
  2. Step 2: Convert to fraction form
    731,510.80/1,097,266.20 = 613,412.80/x
  3. Step 3: Cross multiply
    731,510.80x = 1,097,266.20 × 613,412.80
  4. Step 4: Simplify right side
    731,510.80x = 673,077,132,087.36
  5. Step 5: Solve for x
    x = 673,077,132,087.36/731,510.80
  6. Step 6: Final answer
    x = 920,119.20

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Double scale
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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.