Home / 480,579.28-720,943.64-160,632.11

Finding the Fourth Proportional to 480,579.28, 720,943.64 and 160,632.11

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Solution

The fourth proportional to 480,579.28, 720,943.64 and 160,632.11 is: 240,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,579.28 : 720,943.64 = 160,632.11 : x
  2. Step 2: Convert to fraction form
    480,579.28/720,943.64 = 160,632.11/x
  3. Step 3: Cross multiply
    480,579.28x = 720,943.64 × 160,632.11
  4. Step 4: Simplify right side
    480,579.28x = 115,806,699,685.85
  5. Step 5: Solve for x
    x = 115,806,699,685.85/480,579.28
  6. Step 6: Final answer
    x = 240,973.14

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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.