Home / 813,203.65-1,122,227.63-450,633.57

Finding the Fourth Proportional to 813,203.65, 1,122,227.63 and 450,633.57

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Solution

The fourth proportional to 813,203.65, 1,122,227.63 and 450,633.57 is: 621,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,203.65 : 1,122,227.63 = 450,633.57 : x
  2. Step 2: Convert to fraction form
    813,203.65/1,122,227.63 = 450,633.57/x
  3. Step 3: Cross multiply
    813,203.65x = 1,122,227.63 × 450,633.57
  4. Step 4: Simplify right side
    813,203.65x = 505,713,435,395.23
  5. Step 5: Solve for x
    x = 505,713,435,395.23/813,203.65
  6. Step 6: Final answer
    x = 621,877.97

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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.