Home / 480,040.60-720,058.28-195,730.04

Finding the Fourth Proportional to 480,040.60, 720,058.28 and 195,730.04

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Solution

The fourth proportional to 480,040.60, 720,058.28 and 195,730.04 is: 293,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,040.60 : 720,058.28 = 195,730.04 : x
  2. Step 2: Convert to fraction form
    480,040.60/720,058.28 = 195,730.04/x
  3. Step 3: Cross multiply
    480,040.60x = 720,058.28 × 195,730.04
  4. Step 4: Simplify right side
    480,040.60x = 140,937,034,968.08
  5. Step 5: Solve for x
    x = 140,937,034,968.08/480,040.60
  6. Step 6: Final answer
    x = 293,593.99

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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.