Home / 731,047.20-1,096,570.80-553,900.20

Finding the Fourth Proportional to 731,047.20, 1,096,570.80 and 553,900.20

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Solution

The fourth proportional to 731,047.20, 1,096,570.80 and 553,900.20 is: 830,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,047.20 : 1,096,570.80 = 553,900.20 : x
  2. Step 2: Convert to fraction form
    731,047.20/1,096,570.80 = 553,900.20/x
  3. Step 3: Cross multiply
    731,047.20x = 1,096,570.80 × 553,900.20
  4. Step 4: Simplify right side
    731,047.20x = 607,390,785,434.16
  5. Step 5: Solve for x
    x = 607,390,785,434.16/731,047.20
  6. Step 6: Final answer
    x = 830,850.30

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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.