Home / 482,106.47-723,130.97-215,795.48

Finding the Fourth Proportional to 482,106.47, 723,130.97 and 215,795.48

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Solution

The fourth proportional to 482,106.47, 723,130.97 and 215,795.48 is: 323,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,106.47 : 723,130.97 = 215,795.48 : x
  2. Step 2: Convert to fraction form
    482,106.47/723,130.97 = 215,795.48/x
  3. Step 3: Cross multiply
    482,106.47x = 723,130.97 × 215,795.48
  4. Step 4: Simplify right side
    482,106.47x = 156,048,390,079.38
  5. Step 5: Solve for x
    x = 156,048,390,079.38/482,106.47
  6. Step 6: Final answer
    x = 323,680.35

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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.