Home / 785,305.80-1,177,958.70-224,340.30

Finding the Fourth Proportional to 785,305.80, 1,177,958.70 and 224,340.30

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Solution

The fourth proportional to 785,305.80, 1,177,958.70 and 224,340.30 is: 336,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,305.80 : 1,177,958.70 = 224,340.30 : x
  2. Step 2: Convert to fraction form
    785,305.80/1,177,958.70 = 224,340.30/x
  3. Step 3: Cross multiply
    785,305.80x = 1,177,958.70 × 224,340.30
  4. Step 4: Simplify right side
    785,305.80x = 264,263,608,145.61
  5. Step 5: Solve for x
    x = 264,263,608,145.61/785,305.80
  6. Step 6: Final answer
    x = 336,510.45

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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.