Home / 487,555.26-731,285.70-150,505.08

Finding the Fourth Proportional to 487,555.26, 731,285.70 and 150,505.08

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Solution

The fourth proportional to 487,555.26, 731,285.70 and 150,505.08 is: 225,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,555.26 : 731,285.70 = 150,505.08 : x
  2. Step 2: Convert to fraction form
    487,555.26/731,285.70 = 150,505.08/x
  3. Step 3: Cross multiply
    487,555.26x = 731,285.70 × 150,505.08
  4. Step 4: Simplify right side
    487,555.26x = 110,062,212,781.36
  5. Step 5: Solve for x
    x = 110,062,212,781.36/487,555.26
  6. Step 6: Final answer
    x = 225,743.05

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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.