Home / 813,127.80-1,122,115.26-450,575.14

Finding the Fourth Proportional to 813,127.80, 1,122,115.26 and 450,575.14

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Solution

The fourth proportional to 813,127.80, 1,122,115.26 and 450,575.14 is: 621,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,127.80 : 1,122,115.26 = 450,575.14 : x
  2. Step 2: Convert to fraction form
    813,127.80/1,122,115.26 = 450,575.14/x
  3. Step 3: Cross multiply
    813,127.80x = 1,122,115.26 × 450,575.14
  4. Step 4: Simplify right side
    813,127.80x = 505,597,240,370.64
  5. Step 5: Solve for x
    x = 505,597,240,370.64/813,127.80
  6. Step 6: Final answer
    x = 621,793.08

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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.