Home / 674,204.40-1,011,306.60-611,996.40

Finding the Fourth Proportional to 674,204.40, 1,011,306.60 and 611,996.40

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Solution

The fourth proportional to 674,204.40, 1,011,306.60 and 611,996.40 is: 917,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,204.40 : 1,011,306.60 = 611,996.40 : x
  2. Step 2: Convert to fraction form
    674,204.40/1,011,306.60 = 611,996.40/x
  3. Step 3: Cross multiply
    674,204.40x = 1,011,306.60 × 611,996.40
  4. Step 4: Simplify right side
    674,204.40x = 618,915,998,496.24
  5. Step 5: Solve for x
    x = 618,915,998,496.24/674,204.40
  6. Step 6: Final answer
    x = 917,994.60

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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.