Home / 747,916.40-1,122,263.40-327,234.80

Finding the Fourth Proportional to 747,916.40, 1,122,263.40 and 327,234.80

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Solution

The fourth proportional to 747,916.40, 1,122,263.40 and 327,234.80 is: 491,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,916.40 : 1,122,263.40 = 327,234.80 : x
  2. Step 2: Convert to fraction form
    747,916.40/1,122,263.40 = 327,234.80/x
  3. Step 3: Cross multiply
    747,916.40x = 1,122,263.40 × 327,234.80
  4. Step 4: Simplify right side
    747,916.40x = 367,243,639,246.32
  5. Step 5: Solve for x
    x = 367,243,639,246.32/747,916.40
  6. Step 6: Final answer
    x = 491,022.31

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Double scale
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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.