Home / 813,116.91-1,122,068.84-450,546.03

Finding the Fourth Proportional to 813,116.91, 1,122,068.84 and 450,546.03

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Solution

The fourth proportional to 813,116.91, 1,122,068.84 and 450,546.03 is: 621,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,116.91 : 1,122,068.84 = 450,546.03 : x
  2. Step 2: Convert to fraction form
    813,116.91/1,122,068.84 = 450,546.03/x
  3. Step 3: Cross multiply
    813,116.91x = 1,122,068.84 × 450,546.03
  4. Step 4: Simplify right side
    813,116.91x = 505,543,658,995.98
  5. Step 5: Solve for x
    x = 505,543,658,995.98/813,116.91
  6. Step 6: Final answer
    x = 621,735.51

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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.