Home / 741,439.60-1,112,206.44-261,607.60

Finding the Fourth Proportional to 741,439.60, 1,112,206.44 and 261,607.60

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Solution

The fourth proportional to 741,439.60, 1,112,206.44 and 261,607.60 is: 392,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,439.60 : 1,112,206.44 = 261,607.60 : x
  2. Step 2: Convert to fraction form
    741,439.60/1,112,206.44 = 261,607.60/x
  3. Step 3: Cross multiply
    741,439.60x = 1,112,206.44 × 261,607.60
  4. Step 4: Simplify right side
    741,439.60x = 290,961,657,472.94
  5. Step 5: Solve for x
    x = 290,961,657,472.94/741,439.60
  6. Step 6: Final answer
    x = 392,428.00

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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.