Home / 824,645.20-1,236,967.80-735,998.80

Finding the Fourth Proportional to 824,645.20, 1,236,967.80 and 735,998.80

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Solution

The fourth proportional to 824,645.20, 1,236,967.80 and 735,998.80 is: 1,103,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,645.20 : 1,236,967.80 = 735,998.80 : x
  2. Step 2: Convert to fraction form
    824,645.20/1,236,967.80 = 735,998.80/x
  3. Step 3: Cross multiply
    824,645.20x = 1,236,967.80 × 735,998.80
  4. Step 4: Simplify right side
    824,645.20x = 910,406,816,438.64
  5. Step 5: Solve for x
    x = 910,406,816,438.64/824,645.20
  6. Step 6: Final answer
    x = 1,103,998.20

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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.