Home / 1,618,600.70-2,427,901.05-776,719.10

Finding the Fourth Proportional to 1,618,600.70, 2,427,901.05 and 776,719.10

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Solution

The fourth proportional to 1,618,600.70, 2,427,901.05 and 776,719.10 is: 1,165,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,600.70 : 2,427,901.05 = 776,719.10 : x
  2. Step 2: Convert to fraction form
    1,618,600.70/2,427,901.05 = 776,719.10/x
  3. Step 3: Cross multiply
    1,618,600.70x = 2,427,901.05 × 776,719.10
  4. Step 4: Simplify right side
    1,618,600.70x = 1,885,797,118,445.05
  5. Step 5: Solve for x
    x = 1,885,797,118,445.05/1,618,600.70
  6. Step 6: Final answer
    x = 1,165,078.65

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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.