Home / 784,963.80-1,177,456.50-223,998.20

Finding the Fourth Proportional to 784,963.80, 1,177,456.50 and 223,998.20

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Solution

The fourth proportional to 784,963.80, 1,177,456.50 and 223,998.20 is: 336,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,963.80 : 1,177,456.50 = 223,998.20 : x
  2. Step 2: Convert to fraction form
    784,963.80/1,177,456.50 = 223,998.20/x
  3. Step 3: Cross multiply
    784,963.80x = 1,177,456.50 × 223,998.20
  4. Step 4: Simplify right side
    784,963.80x = 263,748,136,578.30
  5. Step 5: Solve for x
    x = 263,748,136,578.30/784,963.80
  6. Step 6: Final answer
    x = 336,000.38

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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.