Home / 876,240.19-1,209,248.22-494,266.87

Finding the Fourth Proportional to 876,240.19, 1,209,248.22 and 494,266.87

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Solution

The fourth proportional to 876,240.19, 1,209,248.22 and 494,266.87 is: 682,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,240.19 : 1,209,248.22 = 494,266.87 : x
  2. Step 2: Convert to fraction form
    876,240.19/1,209,248.22 = 494,266.87/x
  3. Step 3: Cross multiply
    876,240.19x = 1,209,248.22 × 494,266.87
  4. Step 4: Simplify right side
    876,240.19x = 597,691,332,752.47
  5. Step 5: Solve for x
    x = 597,691,332,752.47/876,240.19
  6. Step 6: Final answer
    x = 682,109.01

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.