Home / 997,471.40-1,376,519.34-567,779.20

Finding the Fourth Proportional to 997,471.40, 1,376,519.34 and 567,779.20

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Solution

The fourth proportional to 997,471.40, 1,376,519.34 and 567,779.20 is: 783,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,471.40 : 1,376,519.34 = 567,779.20 : x
  2. Step 2: Convert to fraction form
    997,471.40/1,376,519.34 = 567,779.20/x
  3. Step 3: Cross multiply
    997,471.40x = 1,376,519.34 × 567,779.20
  4. Step 4: Simplify right side
    997,471.40x = 781,559,049,649.73
  5. Step 5: Solve for x
    x = 781,559,049,649.73/997,471.40
  6. Step 6: Final answer
    x = 783,540.31

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Double scale
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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.