Home / 482,279.86-723,349.38-140,631.48

Finding the Fourth Proportional to 482,279.86, 723,349.38 and 140,631.48

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Solution

The fourth proportional to 482,279.86, 723,349.38 and 140,631.48 is: 210,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,279.86 : 723,349.38 = 140,631.48 : x
  2. Step 2: Convert to fraction form
    482,279.86/723,349.38 = 140,631.48/x
  3. Step 3: Cross multiply
    482,279.86x = 723,349.38 × 140,631.48
  4. Step 4: Simplify right side
    482,279.86x = 101,725,693,866.48
  5. Step 5: Solve for x
    x = 101,725,693,866.48/482,279.86
  6. Step 6: Final answer
    x = 210,926.69

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1.5x scale

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.