Home / 885,151.20-1,327,724.76-379,384.23

Finding the Fourth Proportional to 885,151.20, 1,327,724.76 and 379,384.23

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Solution

The fourth proportional to 885,151.20, 1,327,724.76 and 379,384.23 is: 569,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,151.20 : 1,327,724.76 = 379,384.23 : x
  2. Step 2: Convert to fraction form
    885,151.20/1,327,724.76 = 379,384.23/x
  3. Step 3: Cross multiply
    885,151.20x = 1,327,724.76 × 379,384.23
  4. Step 4: Simplify right side
    885,151.20x = 503,717,835,724.54
  5. Step 5: Solve for x
    x = 503,717,835,724.54/885,151.20
  6. Step 6: Final answer
    x = 569,075.47

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Double scale
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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.