Home / 482,477.28-723,531.12-162,543.16

Finding the Fourth Proportional to 482,477.28, 723,531.12 and 162,543.16

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Solution

The fourth proportional to 482,477.28, 723,531.12 and 162,543.16 is: 243,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,477.28 : 723,531.12 = 162,543.16 : x
  2. Step 2: Convert to fraction form
    482,477.28/723,531.12 = 162,543.16/x
  3. Step 3: Cross multiply
    482,477.28x = 723,531.12 × 162,543.16
  4. Step 4: Simplify right side
    482,477.28x = 117,605,034,603.14
  5. Step 5: Solve for x
    x = 117,605,034,603.14/482,477.28
  6. Step 6: Final answer
    x = 243,752.48

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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.