Home / 731,055.40-1,096,583.10-257,583.40

Finding the Fourth Proportional to 731,055.40, 1,096,583.10 and 257,583.40

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Solution

The fourth proportional to 731,055.40, 1,096,583.10 and 257,583.40 is: 386,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,055.40 : 1,096,583.10 = 257,583.40 : x
  2. Step 2: Convert to fraction form
    731,055.40/1,096,583.10 = 257,583.40/x
  3. Step 3: Cross multiply
    731,055.40x = 1,096,583.10 × 257,583.40
  4. Step 4: Simplify right side
    731,055.40x = 282,461,603,280.54
  5. Step 5: Solve for x
    x = 282,461,603,280.54/731,055.40
  6. Step 6: Final answer
    x = 386,375.10

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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.