Home / 692,695.80-1,039,036.51-219,381.11

Finding the Fourth Proportional to 692,695.80, 1,039,036.51 and 219,381.11

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Solution

The fourth proportional to 692,695.80, 1,039,036.51 and 219,381.11 is: 329,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,695.80 : 1,039,036.51 = 219,381.11 : x
  2. Step 2: Convert to fraction form
    692,695.80/1,039,036.51 = 219,381.11/x
  3. Step 3: Cross multiply
    692,695.80x = 1,039,036.51 × 219,381.11
  4. Step 4: Simplify right side
    692,695.80x = 227,944,981,869.76
  5. Step 5: Solve for x
    x = 227,944,981,869.76/692,695.80
  6. Step 6: Final answer
    x = 329,069.39

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Similar ratio
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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.