Home / 381,904.04-527,036.37-209,832.74

Finding the Fourth Proportional to 381,904.04, 527,036.37 and 209,832.74

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Solution

The fourth proportional to 381,904.04, 527,036.37 and 209,832.74 is: 289,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,904.04 : 527,036.37 = 209,832.74 : x
  2. Step 2: Convert to fraction form
    381,904.04/527,036.37 = 209,832.74/x
  3. Step 3: Cross multiply
    381,904.04x = 527,036.37 × 209,832.74
  4. Step 4: Simplify right side
    381,904.04x = 110,589,482,961.57
  5. Step 5: Solve for x
    x = 110,589,482,961.57/381,904.04
  6. Step 6: Final answer
    x = 289,574.01

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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.