Home / 748,864.80-1,123,297.20-496,922.40

Finding the Fourth Proportional to 748,864.80, 1,123,297.20 and 496,922.40

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Solution

The fourth proportional to 748,864.80, 1,123,297.20 and 496,922.40 is: 745,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,864.80 : 1,123,297.20 = 496,922.40 : x
  2. Step 2: Convert to fraction form
    748,864.80/1,123,297.20 = 496,922.40/x
  3. Step 3: Cross multiply
    748,864.80x = 1,123,297.20 × 496,922.40
  4. Step 4: Simplify right side
    748,864.80x = 558,191,540,537.28
  5. Step 5: Solve for x
    x = 558,191,540,537.28/748,864.80
  6. Step 6: Final answer
    x = 745,383.60

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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.