Home / 984,666.78-1,359,213.72-662,563.70

Finding the Fourth Proportional to 984,666.78, 1,359,213.72 and 662,563.70

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Solution

The fourth proportional to 984,666.78, 1,359,213.72 and 662,563.70 is: 914,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,666.78 : 1,359,213.72 = 662,563.70 : x
  2. Step 2: Convert to fraction form
    984,666.78/1,359,213.72 = 662,563.70/x
  3. Step 3: Cross multiply
    984,666.78x = 1,359,213.72 × 662,563.70
  4. Step 4: Simplify right side
    984,666.78x = 900,565,667,230.33
  5. Step 5: Solve for x
    x = 900,565,667,230.33/984,666.78
  6. Step 6: Final answer
    x = 914,589.27

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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.