Home / 866,043.30-1,299,094.65-266,999.70

Finding the Fourth Proportional to 866,043.30, 1,299,094.65 and 266,999.70

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Solution

The fourth proportional to 866,043.30, 1,299,094.65 and 266,999.70 is: 400,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,043.30 : 1,299,094.65 = 266,999.70 : x
  2. Step 2: Convert to fraction form
    866,043.30/1,299,094.65 = 266,999.70/x
  3. Step 3: Cross multiply
    866,043.30x = 1,299,094.65 × 266,999.70
  4. Step 4: Simplify right side
    866,043.30x = 346,857,881,821.61
  5. Step 5: Solve for x
    x = 346,857,881,821.61/866,043.30
  6. Step 6: Final answer
    x = 400,508.71

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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.