Home / 813,203.33-1,122,227.18-450,633.23

Finding the Fourth Proportional to 813,203.33, 1,122,227.18 and 450,633.23

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Solution

The fourth proportional to 813,203.33, 1,122,227.18 and 450,633.23 is: 621,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,203.33 : 1,122,227.18 = 450,633.23 : x
  2. Step 2: Convert to fraction form
    813,203.33/1,122,227.18 = 450,633.23/x
  3. Step 3: Cross multiply
    813,203.33x = 1,122,227.18 × 450,633.23
  4. Step 4: Simplify right side
    813,203.33x = 505,712,851,052.89
  5. Step 5: Solve for x
    x = 505,712,851,052.89/813,203.33
  6. Step 6: Final answer
    x = 621,877.50

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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.