Home / 589,947.20-885,381.60-274,443.20

Finding the Fourth Proportional to 589,947.20, 885,381.60 and 274,443.20

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Solution

The fourth proportional to 589,947.20, 885,381.60 and 274,443.20 is: 411,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,947.20 : 885,381.60 = 274,443.20 : x
  2. Step 2: Convert to fraction form
    589,947.20/885,381.60 = 274,443.20/x
  3. Step 3: Cross multiply
    589,947.20x = 885,381.60 × 274,443.20
  4. Step 4: Simplify right side
    589,947.20x = 242,986,959,525.12
  5. Step 5: Solve for x
    x = 242,986,959,525.12/589,947.20
  6. Step 6: Final answer
    x = 411,879.16

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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.