Home / 606,123.87-836,809.34-538,869.75

Finding the Fourth Proportional to 606,123.87, 836,809.34 and 538,869.75

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Solution

The fourth proportional to 606,123.87, 836,809.34 and 538,869.75 is: 743,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,123.87 : 836,809.34 = 538,869.75 : x
  2. Step 2: Convert to fraction form
    606,123.87/836,809.34 = 538,869.75/x
  3. Step 3: Cross multiply
    606,123.87x = 836,809.34 × 538,869.75
  4. Step 4: Simplify right side
    606,123.87x = 450,931,237,149.12
  5. Step 5: Solve for x
    x = 450,931,237,149.12/606,123.87
  6. Step 6: Final answer
    x = 743,958.88

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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.