Home / 1,627,927.70-2,441,891.55-1,312,999.70

Finding the Fourth Proportional to 1,627,927.70, 2,441,891.55 and 1,312,999.70

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Solution

The fourth proportional to 1,627,927.70, 2,441,891.55 and 1,312,999.70 is: 1,969,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,927.70 : 2,441,891.55 = 1,312,999.70 : x
  2. Step 2: Convert to fraction form
    1,627,927.70/2,441,891.55 = 1,312,999.70/x
  3. Step 3: Cross multiply
    1,627,927.70x = 2,441,891.55 × 1,312,999.70
  4. Step 4: Simplify right side
    1,627,927.70x = 3,206,202,872,582.53
  5. Step 5: Solve for x
    x = 3,206,202,872,582.53/1,627,927.70
  6. Step 6: Final answer
    x = 1,969,499.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.