Home / 386,929.92-533,937.26-214,839.02

Finding the Fourth Proportional to 386,929.92, 533,937.26 and 214,839.02

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Solution

The fourth proportional to 386,929.92, 533,937.26 and 214,839.02 is: 296,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,929.92 : 533,937.26 = 214,839.02 : x
  2. Step 2: Convert to fraction form
    386,929.92/533,937.26 = 214,839.02/x
  3. Step 3: Cross multiply
    386,929.92x = 533,937.26 × 214,839.02
  4. Step 4: Simplify right side
    386,929.92x = 114,710,557,679.89
  5. Step 5: Solve for x
    x = 114,710,557,679.89/386,929.92
  6. Step 6: Final answer
    x = 296,463.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.