Home / 762,123.67-1,051,777.85-422,591.92

Finding the Fourth Proportional to 762,123.67, 1,051,777.85 and 422,591.92

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Solution

The fourth proportional to 762,123.67, 1,051,777.85 and 422,591.92 is: 583,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,123.67 : 1,051,777.85 = 422,591.92 : x
  2. Step 2: Convert to fraction form
    762,123.67/1,051,777.85 = 422,591.92/x
  3. Step 3: Cross multiply
    762,123.67x = 1,051,777.85 × 422,591.92
  4. Step 4: Simplify right side
    762,123.67x = 444,472,816,302.57
  5. Step 5: Solve for x
    x = 444,472,816,302.57/762,123.67
  6. Step 6: Final answer
    x = 583,203.01

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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.