Home / 524,101.78-723,279.81-297,785.62

Finding the Fourth Proportional to 524,101.78, 723,279.81 and 297,785.62

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Solution

The fourth proportional to 524,101.78, 723,279.81 and 297,785.62 is: 410,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,101.78 : 723,279.81 = 297,785.62 : x
  2. Step 2: Convert to fraction form
    524,101.78/723,279.81 = 297,785.62/x
  3. Step 3: Cross multiply
    524,101.78x = 723,279.81 × 297,785.62
  4. Step 4: Simplify right side
    524,101.78x = 215,382,326,654.33
  5. Step 5: Solve for x
    x = 215,382,326,654.33/524,101.78
  6. Step 6: Final answer
    x = 410,955.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.