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Finding the Fourth Proportional to 941,247, 1,416,991.89 and 857,545.04

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Solution

The fourth proportional to 941,247, 1,416,991.89 and 857,545.04 is: 1,290,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,247 : 1,416,991.89 = 857,545.04 : x
  2. Step 2: Convert to fraction form
    941,247/1,416,991.89 = 857,545.04/x
  3. Step 3: Cross multiply
    941,247x = 1,416,991.89 × 857,545.04
  4. Step 4: Simplify right side
    941,247x = 1,215,134,373,748.00
  5. Step 5: Solve for x
    x = 1,215,134,373,748.00/941,247
  6. Step 6: Final answer
    x = 1,290,983.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.