Home / 1,611,148.32-2,223,337.68-885,995.28

Finding the Fourth Proportional to 1,611,148.32, 2,223,337.68 and 885,995.28

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Solution

The fourth proportional to 1,611,148.32, 2,223,337.68 and 885,995.28 is: 1,222,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,148.32 : 2,223,337.68 = 885,995.28 : x
  2. Step 2: Convert to fraction form
    1,611,148.32/2,223,337.68 = 885,995.28/x
  3. Step 3: Cross multiply
    1,611,148.32x = 2,223,337.68 × 885,995.28
  4. Step 4: Simplify right side
    1,611,148.32x = 1,969,866,690,326.15
  5. Step 5: Solve for x
    x = 1,969,866,690,326.15/1,611,148.32
  6. Step 6: Final answer
    x = 1,222,647.64

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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.