Home / 957,665.40-1,436,498.10-621,742.20

Finding the Fourth Proportional to 957,665.40, 1,436,498.10 and 621,742.20

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Solution

The fourth proportional to 957,665.40, 1,436,498.10 and 621,742.20 is: 932,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,665.40 : 1,436,498.10 = 621,742.20 : x
  2. Step 2: Convert to fraction form
    957,665.40/1,436,498.10 = 621,742.20/x
  3. Step 3: Cross multiply
    957,665.40x = 1,436,498.10 × 621,742.20
  4. Step 4: Simplify right side
    957,665.40x = 893,131,488,989.82
  5. Step 5: Solve for x
    x = 893,131,488,989.82/957,665.40
  6. Step 6: Final answer
    x = 932,613.30

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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.