Home / 480,655.62-721,024.38-125,669.07

Finding the Fourth Proportional to 480,655.62, 721,024.38 and 125,669.07

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Solution

The fourth proportional to 480,655.62, 721,024.38 and 125,669.07 is: 188,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,655.62 : 721,024.38 = 125,669.07 : x
  2. Step 2: Convert to fraction form
    480,655.62/721,024.38 = 125,669.07/x
  3. Step 3: Cross multiply
    480,655.62x = 721,024.38 × 125,669.07
  4. Step 4: Simplify right side
    480,655.62x = 90,610,463,281.93
  5. Step 5: Solve for x
    x = 90,610,463,281.93/480,655.62
  6. Step 6: Final answer
    x = 188,514.31

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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.