Home / 836,855.96-1,154,836.86-454,872.92

Finding the Fourth Proportional to 836,855.96, 1,154,836.86 and 454,872.92

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Solution

The fourth proportional to 836,855.96, 1,154,836.86 and 454,872.92 is: 627,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,855.96 : 1,154,836.86 = 454,872.92 : x
  2. Step 2: Convert to fraction form
    836,855.96/1,154,836.86 = 454,872.92/x
  3. Step 3: Cross multiply
    836,855.96x = 1,154,836.86 × 454,872.92
  4. Step 4: Simplify right side
    836,855.96x = 525,304,014,631.83
  5. Step 5: Solve for x
    x = 525,304,014,631.83/836,855.96
  6. Step 6: Final answer
    x = 627,711.39

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.