Home / 821,339.01-1,229,427.45-522,157.41

Finding the Fourth Proportional to 821,339.01, 1,229,427.45 and 522,157.41

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Solution

The fourth proportional to 821,339.01, 1,229,427.45 and 522,157.41 is: 781,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,339.01 : 1,229,427.45 = 522,157.41 : x
  2. Step 2: Convert to fraction form
    821,339.01/1,229,427.45 = 522,157.41/x
  3. Step 3: Cross multiply
    821,339.01x = 1,229,427.45 × 522,157.41
  4. Step 4: Simplify right side
    821,339.01x = 641,954,653,074.90
  5. Step 5: Solve for x
    x = 641,954,653,074.90/821,339.01
  6. Step 6: Final answer
    x = 781,595.23

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Double scale
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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.