Home / 778,858.30-1,167,826.65-405,610.30

Finding the Fourth Proportional to 778,858.30, 1,167,826.65 and 405,610.30

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Solution

The fourth proportional to 778,858.30, 1,167,826.65 and 405,610.30 is: 608,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,858.30 : 1,167,826.65 = 405,610.30 : x
  2. Step 2: Convert to fraction form
    778,858.30/1,167,826.65 = 405,610.30/x
  3. Step 3: Cross multiply
    778,858.30x = 1,167,826.65 × 405,610.30
  4. Step 4: Simplify right side
    778,858.30x = 473,682,517,854.50
  5. Step 5: Solve for x
    x = 473,682,517,854.50/778,858.30
  6. Step 6: Final answer
    x = 608,175.48

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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.