Home / 482,530.98-723,799.20-127,541.24

Finding the Fourth Proportional to 482,530.98, 723,799.20 and 127,541.24

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Solution

The fourth proportional to 482,530.98, 723,799.20 and 127,541.24 is: 191,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,530.98 : 723,799.20 = 127,541.24 : x
  2. Step 2: Convert to fraction form
    482,530.98/723,799.20 = 127,541.24/x
  3. Step 3: Cross multiply
    482,530.98x = 723,799.20 × 127,541.24
  4. Step 4: Simplify right side
    482,530.98x = 92,314,247,479.01
  5. Step 5: Solve for x
    x = 92,314,247,479.01/482,530.98
  6. Step 6: Final answer
    x = 191,312.58

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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.