Home / 623,939.28-935,908.95-203,215.17

Finding the Fourth Proportional to 623,939.28, 935,908.95 and 203,215.17

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Solution

The fourth proportional to 623,939.28, 935,908.95 and 203,215.17 is: 304,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,939.28 : 935,908.95 = 203,215.17 : x
  2. Step 2: Convert to fraction form
    623,939.28/935,908.95 = 203,215.17/x
  3. Step 3: Cross multiply
    623,939.28x = 935,908.95 × 203,215.17
  4. Step 4: Simplify right side
    623,939.28x = 190,190,896,378.77
  5. Step 5: Solve for x
    x = 190,190,896,378.77/623,939.28
  6. Step 6: Final answer
    x = 304,822.76

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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.