Home / 1,072,588.50-1,608,882.75-398,839.41

Finding the Fourth Proportional to 1,072,588.50, 1,608,882.75 and 398,839.41

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Solution

The fourth proportional to 1,072,588.50, 1,608,882.75 and 398,839.41 is: 598,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,588.50 : 1,608,882.75 = 398,839.41 : x
  2. Step 2: Convert to fraction form
    1,072,588.50/1,608,882.75 = 398,839.41/x
  3. Step 3: Cross multiply
    1,072,588.50x = 1,608,882.75 × 398,839.41
  4. Step 4: Simplify right side
    1,072,588.50x = 641,685,846,769.18
  5. Step 5: Solve for x
    x = 641,685,846,769.18/1,072,588.50
  6. Step 6: Final answer
    x = 598,259.12

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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.