Home / 813,348.22-1,122,420.64-450,795.48

Finding the Fourth Proportional to 813,348.22, 1,122,420.64 and 450,795.48

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Solution

The fourth proportional to 813,348.22, 1,122,420.64 and 450,795.48 is: 622,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,348.22 : 1,122,420.64 = 450,795.48 : x
  2. Step 2: Convert to fraction form
    813,348.22/1,122,420.64 = 450,795.48/x
  3. Step 3: Cross multiply
    813,348.22x = 1,122,420.64 × 450,795.48
  4. Step 4: Simplify right side
    813,348.22x = 505,982,151,170.71
  5. Step 5: Solve for x
    x = 505,982,151,170.71/813,348.22
  6. Step 6: Final answer
    x = 622,097.82

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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.