Home / 480,669.26-721,006.31-125,684.06

Finding the Fourth Proportional to 480,669.26, 721,006.31 and 125,684.06

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Solution

The fourth proportional to 480,669.26, 721,006.31 and 125,684.06 is: 188,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,669.26 : 721,006.31 = 125,684.06 : x
  2. Step 2: Convert to fraction form
    480,669.26/721,006.31 = 125,684.06/x
  3. Step 3: Cross multiply
    480,669.26x = 721,006.31 × 125,684.06
  4. Step 4: Simplify right side
    480,669.26x = 90,618,997,035.60
  5. Step 5: Solve for x
    x = 90,618,997,035.60/480,669.26
  6. Step 6: Final answer
    x = 188,526.72

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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.