Home / 876,009.30-1,314,013.95-576,827.70

Finding the Fourth Proportional to 876,009.30, 1,314,013.95 and 576,827.70

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Solution

The fourth proportional to 876,009.30, 1,314,013.95 and 576,827.70 is: 865,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,009.30 : 1,314,013.95 = 576,827.70 : x
  2. Step 2: Convert to fraction form
    876,009.30/1,314,013.95 = 576,827.70/x
  3. Step 3: Cross multiply
    876,009.30x = 1,314,013.95 × 576,827.70
  4. Step 4: Simplify right side
    876,009.30x = 757,959,644,546.42
  5. Step 5: Solve for x
    x = 757,959,644,546.42/876,009.30
  6. Step 6: Final answer
    x = 865,241.55

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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.