Home / 693,388.40-1,040,082.60-567,417.20

Finding the Fourth Proportional to 693,388.40, 1,040,082.60 and 567,417.20

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Solution

The fourth proportional to 693,388.40, 1,040,082.60 and 567,417.20 is: 851,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,388.40 : 1,040,082.60 = 567,417.20 : x
  2. Step 2: Convert to fraction form
    693,388.40/1,040,082.60 = 567,417.20/x
  3. Step 3: Cross multiply
    693,388.40x = 1,040,082.60 × 567,417.20
  4. Step 4: Simplify right side
    693,388.40x = 590,160,756,660.72
  5. Step 5: Solve for x
    x = 590,160,756,660.72/693,388.40
  6. Step 6: Final answer
    x = 851,125.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.