Home / 925,205.67-1,276,392.85-619,380.57

Finding the Fourth Proportional to 925,205.67, 1,276,392.85 and 619,380.57

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Solution

The fourth proportional to 925,205.67, 1,276,392.85 and 619,380.57 is: 854,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,205.67 : 1,276,392.85 = 619,380.57 : x
  2. Step 2: Convert to fraction form
    925,205.67/1,276,392.85 = 619,380.57/x
  3. Step 3: Cross multiply
    925,205.67x = 1,276,392.85 × 619,380.57
  4. Step 4: Simplify right side
    925,205.67x = 790,572,930,976.93
  5. Step 5: Solve for x
    x = 790,572,930,976.93/925,205.67
  6. Step 6: Final answer
    x = 854,483.45

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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.