Home / 858,687.30-1,184,172.45-625,902.66

Finding the Fourth Proportional to 858,687.30, 1,184,172.45 and 625,902.66

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Solution

The fourth proportional to 858,687.30, 1,184,172.45 and 625,902.66 is: 863,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,687.30 : 1,184,172.45 = 625,902.66 : x
  2. Step 2: Convert to fraction form
    858,687.30/1,184,172.45 = 625,902.66/x
  3. Step 3: Cross multiply
    858,687.30x = 1,184,172.45 × 625,902.66
  4. Step 4: Simplify right side
    858,687.30x = 741,176,686,353.72
  5. Step 5: Solve for x
    x = 741,176,686,353.72/858,687.30
  6. Step 6: Final answer
    x = 863,150.87

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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.