Home / 816,097.20-1,224,145.80-564,154.80

Finding the Fourth Proportional to 816,097.20, 1,224,145.80 and 564,154.80

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Solution

The fourth proportional to 816,097.20, 1,224,145.80 and 564,154.80 is: 846,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,097.20 : 1,224,145.80 = 564,154.80 : x
  2. Step 2: Convert to fraction form
    816,097.20/1,224,145.80 = 564,154.80/x
  3. Step 3: Cross multiply
    816,097.20x = 1,224,145.80 × 564,154.80
  4. Step 4: Simplify right side
    816,097.20x = 690,607,728,969.84
  5. Step 5: Solve for x
    x = 690,607,728,969.84/816,097.20
  6. Step 6: Final answer
    x = 846,232.20

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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.