Home / 480,282.16-720,423.26-180,829.92

Finding the Fourth Proportional to 480,282.16, 720,423.26 and 180,829.92

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Solution

The fourth proportional to 480,282.16, 720,423.26 and 180,829.92 is: 271,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,282.16 : 720,423.26 = 180,829.92 : x
  2. Step 2: Convert to fraction form
    480,282.16/720,423.26 = 180,829.92/x
  3. Step 3: Cross multiply
    480,282.16x = 720,423.26 × 180,829.92
  4. Step 4: Simplify right side
    480,282.16x = 130,274,080,471.94
  5. Step 5: Solve for x
    x = 130,274,080,471.94/480,282.16
  6. Step 6: Final answer
    x = 271,244.89

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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.