Home / 784,822.10-1,177,233.15-193,846.10

Finding the Fourth Proportional to 784,822.10, 1,177,233.15 and 193,846.10

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Solution

The fourth proportional to 784,822.10, 1,177,233.15 and 193,846.10 is: 290,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,822.10 : 1,177,233.15 = 193,846.10 : x
  2. Step 2: Convert to fraction form
    784,822.10/1,177,233.15 = 193,846.10/x
  3. Step 3: Cross multiply
    784,822.10x = 1,177,233.15 × 193,846.10
  4. Step 4: Simplify right side
    784,822.10x = 228,202,054,918.22
  5. Step 5: Solve for x
    x = 228,202,054,918.22/784,822.10
  6. Step 6: Final answer
    x = 290,769.15

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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.