Home / 479,720.16-719,448.84-180,177.57

Finding the Fourth Proportional to 479,720.16, 719,448.84 and 180,177.57

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Solution

The fourth proportional to 479,720.16, 719,448.84 and 180,177.57 is: 270,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,720.16 : 719,448.84 = 180,177.57 : x
  2. Step 2: Convert to fraction form
    479,720.16/719,448.84 = 180,177.57/x
  3. Step 3: Cross multiply
    479,720.16x = 719,448.84 × 180,177.57
  4. Step 4: Simplify right side
    479,720.16x = 129,628,543,730.52
  5. Step 5: Solve for x
    x = 129,628,543,730.52/479,720.16
  6. Step 6: Final answer
    x = 270,217.00

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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.