Home / 1,490,753.54-2,235,218.78-731,631.26

Finding the Fourth Proportional to 1,490,753.54, 2,235,218.78 and 731,631.26

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Solution

The fourth proportional to 1,490,753.54, 2,235,218.78 and 731,631.26 is: 1,096,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,753.54 : 2,235,218.78 = 731,631.26 : x
  2. Step 2: Convert to fraction form
    1,490,753.54/2,235,218.78 = 731,631.26/x
  3. Step 3: Cross multiply
    1,490,753.54x = 2,235,218.78 × 731,631.26
  4. Step 4: Simplify right side
    1,490,753.54x = 1,635,355,932,387.06
  5. Step 5: Solve for x
    x = 1,635,355,932,387.06/1,490,753.54
  6. Step 6: Final answer
    x = 1,096,999.53

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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.