Home / 480,276.17-720,414.25-180,823.93

Finding the Fourth Proportional to 480,276.17, 720,414.25 and 180,823.93

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Solution

The fourth proportional to 480,276.17, 720,414.25 and 180,823.93 is: 271,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,276.17 : 720,414.25 = 180,823.93 : x
  2. Step 2: Convert to fraction form
    480,276.17/720,414.25 = 180,823.93/x
  3. Step 3: Cross multiply
    480,276.17x = 720,414.25 × 180,823.93
  4. Step 4: Simplify right side
    480,276.17x = 130,268,134,677.04
  5. Step 5: Solve for x
    x = 130,268,134,677.04/480,276.17
  6. Step 6: Final answer
    x = 271,235.89

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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.