Home / 869,844.70-1,304,767.05-617,902.30

Finding the Fourth Proportional to 869,844.70, 1,304,767.05 and 617,902.30

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Solution

The fourth proportional to 869,844.70, 1,304,767.05 and 617,902.30 is: 926,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,844.70 : 1,304,767.05 = 617,902.30 : x
  2. Step 2: Convert to fraction form
    869,844.70/1,304,767.05 = 617,902.30/x
  3. Step 3: Cross multiply
    869,844.70x = 1,304,767.05 × 617,902.30
  4. Step 4: Simplify right side
    869,844.70x = 806,218,561,159.22
  5. Step 5: Solve for x
    x = 806,218,561,159.22/869,844.70
  6. Step 6: Final answer
    x = 926,853.45

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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.