Home / 813,358.56-1,122,404.25-450,788.58

Finding the Fourth Proportional to 813,358.56, 1,122,404.25 and 450,788.58

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Solution

The fourth proportional to 813,358.56, 1,122,404.25 and 450,788.58 is: 622,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,358.56 : 1,122,404.25 = 450,788.58 : x
  2. Step 2: Convert to fraction form
    813,358.56/1,122,404.25 = 450,788.58/x
  3. Step 3: Cross multiply
    813,358.56x = 1,122,404.25 × 450,788.58
  4. Step 4: Simplify right side
    813,358.56x = 505,967,018,043.47
  5. Step 5: Solve for x
    x = 505,967,018,043.47/813,358.56
  6. Step 6: Final answer
    x = 622,071.30

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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.