Home / 812,938.32-1,219,470.57-244,275.03

Finding the Fourth Proportional to 812,938.32, 1,219,470.57 and 244,275.03

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Solution

The fourth proportional to 812,938.32, 1,219,470.57 and 244,275.03 is: 366,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,938.32 : 1,219,470.57 = 244,275.03 : x
  2. Step 2: Convert to fraction form
    812,938.32/1,219,470.57 = 244,275.03/x
  3. Step 3: Cross multiply
    812,938.32x = 1,219,470.57 × 244,275.03
  4. Step 4: Simplify right side
    812,938.32x = 297,886,210,070.87
  5. Step 5: Solve for x
    x = 297,886,210,070.87/812,938.32
  6. Step 6: Final answer
    x = 366,431.50

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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.