Home / 813,203.22-1,122,227.04-450,633.14

Finding the Fourth Proportional to 813,203.22, 1,122,227.04 and 450,633.14

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Solution

The fourth proportional to 813,203.22, 1,122,227.04 and 450,633.14 is: 621,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,203.22 : 1,122,227.04 = 450,633.14 : x
  2. Step 2: Convert to fraction form
    813,203.22/1,122,227.04 = 450,633.14/x
  3. Step 3: Cross multiply
    813,203.22x = 1,122,227.04 × 450,633.14
  4. Step 4: Simplify right side
    813,203.22x = 505,712,689,216.97
  5. Step 5: Solve for x
    x = 505,712,689,216.97/813,203.22
  6. Step 6: Final answer
    x = 621,877.38

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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.