Home / 1,611,149.32-2,223,339.06-885,996.28

Finding the Fourth Proportional to 1,611,149.32, 2,223,339.06 and 885,996.28

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Solution

The fourth proportional to 1,611,149.32, 2,223,339.06 and 885,996.28 is: 1,222,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,149.32 : 2,223,339.06 = 885,996.28 : x
  2. Step 2: Convert to fraction form
    1,611,149.32/2,223,339.06 = 885,996.28/x
  3. Step 3: Cross multiply
    1,611,149.32x = 2,223,339.06 × 885,996.28
  4. Step 4: Simplify right side
    1,611,149.32x = 1,969,870,136,338.70
  5. Step 5: Solve for x
    x = 1,969,870,136,338.70/1,611,149.32
  6. Step 6: Final answer
    x = 1,222,649.02

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Double scale
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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.