Home / 534,471.48-737,561.57-289,454.18

Finding the Fourth Proportional to 534,471.48, 737,561.57 and 289,454.18

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Solution

The fourth proportional to 534,471.48, 737,561.57 and 289,454.18 is: 399,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,471.48 : 737,561.57 = 289,454.18 : x
  2. Step 2: Convert to fraction form
    534,471.48/737,561.57 = 289,454.18/x
  3. Step 3: Cross multiply
    534,471.48x = 737,561.57 × 289,454.18
  4. Step 4: Simplify right side
    534,471.48x = 213,490,274,308.78
  5. Step 5: Solve for x
    x = 213,490,274,308.78/534,471.48
  6. Step 6: Final answer
    x = 399,441.85

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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.