Home / 693,407.40-1,040,111.10-567,436.20

Finding the Fourth Proportional to 693,407.40, 1,040,111.10 and 567,436.20

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Solution

The fourth proportional to 693,407.40, 1,040,111.10 and 567,436.20 is: 851,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,407.40 : 1,040,111.10 = 567,436.20 : x
  2. Step 2: Convert to fraction form
    693,407.40/1,040,111.10 = 567,436.20/x
  3. Step 3: Cross multiply
    693,407.40x = 1,040,111.10 × 567,436.20
  4. Step 4: Simplify right side
    693,407.40x = 590,196,690,161.82
  5. Step 5: Solve for x
    x = 590,196,690,161.82/693,407.40
  6. Step 6: Final answer
    x = 851,154.30

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Double scale
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Similar ratio
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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.