Home / 470,080.92-648,719.28-266,126.52

Finding the Fourth Proportional to 470,080.92, 648,719.28 and 266,126.52

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Solution

The fourth proportional to 470,080.92, 648,719.28 and 266,126.52 is: 367,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,080.92 : 648,719.28 = 266,126.52 : x
  2. Step 2: Convert to fraction form
    470,080.92/648,719.28 = 266,126.52/x
  3. Step 3: Cross multiply
    470,080.92x = 648,719.28 × 266,126.52
  4. Step 4: Simplify right side
    470,080.92x = 172,641,404,443.31
  5. Step 5: Solve for x
    x = 172,641,404,443.31/470,080.92
  6. Step 6: Final answer
    x = 367,258.91

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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.