Home / 1,578,814.20-2,368,221.30-1,263,886.20

Finding the Fourth Proportional to 1,578,814.20, 2,368,221.30 and 1,263,886.20

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Solution

The fourth proportional to 1,578,814.20, 2,368,221.30 and 1,263,886.20 is: 1,895,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,814.20 : 2,368,221.30 = 1,263,886.20 : x
  2. Step 2: Convert to fraction form
    1,578,814.20/2,368,221.30 = 1,263,886.20/x
  3. Step 3: Cross multiply
    1,578,814.20x = 2,368,221.30 × 1,263,886.20
  4. Step 4: Simplify right side
    1,578,814.20x = 2,993,162,219,616.06
  5. Step 5: Solve for x
    x = 2,993,162,219,616.06/1,578,814.20
  6. Step 6: Final answer
    x = 1,895,829.30

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Double scale
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Similar ratio
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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.