Home / 386,849.52-533,862.90-217,094.04

Finding the Fourth Proportional to 386,849.52, 533,862.90 and 217,094.04

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Solution

The fourth proportional to 386,849.52, 533,862.90 and 217,094.04 is: 299,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,849.52 : 533,862.90 = 217,094.04 : x
  2. Step 2: Convert to fraction form
    386,849.52/533,862.90 = 217,094.04/x
  3. Step 3: Cross multiply
    386,849.52x = 533,862.90 × 217,094.04
  4. Step 4: Simplify right side
    386,849.52x = 115,898,453,767.12
  5. Step 5: Solve for x
    x = 115,898,453,767.12/386,849.52
  6. Step 6: Final answer
    x = 299,595.70

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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.