Home / 657,012.85-905,856.23-548,273.84

Finding the Fourth Proportional to 657,012.85, 905,856.23 and 548,273.84

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Solution

The fourth proportional to 657,012.85, 905,856.23 and 548,273.84 is: 755,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,012.85 : 905,856.23 = 548,273.84 : x
  2. Step 2: Convert to fraction form
    657,012.85/905,856.23 = 548,273.84/x
  3. Step 3: Cross multiply
    657,012.85x = 905,856.23 × 548,273.84
  4. Step 4: Simplify right side
    657,012.85x = 496,657,270,551.43
  5. Step 5: Solve for x
    x = 496,657,270,551.43/657,012.85
  6. Step 6: Final answer
    x = 755,932.36

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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.