Home / 1,997,886.38-2,996,330.67-783,709.74

Finding the Fourth Proportional to 1,997,886.38, 2,996,330.67 and 783,709.74

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Solution

The fourth proportional to 1,997,886.38, 2,996,330.67 and 783,709.74 is: 1,175,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,886.38 : 2,996,330.67 = 783,709.74 : x
  2. Step 2: Convert to fraction form
    1,997,886.38/2,996,330.67 = 783,709.74/x
  3. Step 3: Cross multiply
    1,997,886.38x = 2,996,330.67 × 783,709.74
  4. Step 4: Simplify right side
    1,997,886.38x = 2,348,253,530,339.73
  5. Step 5: Solve for x
    x = 2,348,253,530,339.73/1,997,886.38
  6. Step 6: Final answer
    x = 1,175,368.91

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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.