Home / 816,189.20-1,224,283.80-564,246.80

Finding the Fourth Proportional to 816,189.20, 1,224,283.80 and 564,246.80

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Solution

The fourth proportional to 816,189.20, 1,224,283.80 and 564,246.80 is: 846,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,189.20 : 1,224,283.80 = 564,246.80 : x
  2. Step 2: Convert to fraction form
    816,189.20/1,224,283.80 = 564,246.80/x
  3. Step 3: Cross multiply
    816,189.20x = 1,224,283.80 × 564,246.80
  4. Step 4: Simplify right side
    816,189.20x = 690,798,216,441.84
  5. Step 5: Solve for x
    x = 690,798,216,441.84/816,189.20
  6. Step 6: Final answer
    x = 846,370.20

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Half scale
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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.