Home / 480,669.50-721,045.40-125,682.95

Finding the Fourth Proportional to 480,669.50, 721,045.40 and 125,682.95

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Solution

The fourth proportional to 480,669.50, 721,045.40 and 125,682.95 is: 188,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,669.50 : 721,045.40 = 125,682.95 : x
  2. Step 2: Convert to fraction form
    480,669.50/721,045.40 = 125,682.95/x
  3. Step 3: Cross multiply
    480,669.50x = 721,045.40 × 125,682.95
  4. Step 4: Simplify right side
    480,669.50x = 90,623,108,722.29
  5. Step 5: Solve for x
    x = 90,623,108,722.29/480,669.50
  6. Step 6: Final answer
    x = 188,535.18

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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.