Home / 519,921.50-779,882.26-187,497.50

Finding the Fourth Proportional to 519,921.50, 779,882.26 and 187,497.50

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Solution

The fourth proportional to 519,921.50, 779,882.26 and 187,497.50 is: 281,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,921.50 : 779,882.26 = 187,497.50 : x
  2. Step 2: Convert to fraction form
    519,921.50/779,882.26 = 187,497.50/x
  3. Step 3: Cross multiply
    519,921.50x = 779,882.26 × 187,497.50
  4. Step 4: Simplify right side
    519,921.50x = 146,225,974,044.35
  5. Step 5: Solve for x
    x = 146,225,974,044.35/519,921.50
  6. Step 6: Final answer
    x = 281,246.25

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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.