Home / 480,280.16-720,420.26-180,827.92

Finding the Fourth Proportional to 480,280.16, 720,420.26 and 180,827.92

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Solution

The fourth proportional to 480,280.16, 720,420.26 and 180,827.92 is: 271,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,280.16 : 720,420.26 = 180,827.92 : x
  2. Step 2: Convert to fraction form
    480,280.16/720,420.26 = 180,827.92/x
  3. Step 3: Cross multiply
    480,280.16x = 720,420.26 × 180,827.92
  4. Step 4: Simplify right side
    480,280.16x = 130,272,097,141.66
  5. Step 5: Solve for x
    x = 130,272,097,141.66/480,280.16
  6. Step 6: Final answer
    x = 271,241.89

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1.5x scale

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.