Home / 499,316.24-748,979.82-144,333.34

Finding the Fourth Proportional to 499,316.24, 748,979.82 and 144,333.34

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Solution

The fourth proportional to 499,316.24, 748,979.82 and 144,333.34 is: 216,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,316.24 : 748,979.82 = 144,333.34 : x
  2. Step 2: Convert to fraction form
    499,316.24/748,979.82 = 144,333.34/x
  3. Step 3: Cross multiply
    499,316.24x = 748,979.82 × 144,333.34
  4. Step 4: Simplify right side
    499,316.24x = 108,102,757,140.75
  5. Step 5: Solve for x
    x = 108,102,757,140.75/499,316.24
  6. Step 6: Final answer
    x = 216,501.58

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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.