Home / 1,253,216.77-1,879,731.70-400,378.52

Finding the Fourth Proportional to 1,253,216.77, 1,879,731.70 and 400,378.52

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Solution

The fourth proportional to 1,253,216.77, 1,879,731.70 and 400,378.52 is: 600,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,216.77 : 1,879,731.70 = 400,378.52 : x
  2. Step 2: Convert to fraction form
    1,253,216.77/1,879,731.70 = 400,378.52/x
  3. Step 3: Cross multiply
    1,253,216.77x = 1,879,731.70 × 400,378.52
  4. Step 4: Simplify right side
    1,253,216.77x = 752,604,196,043.08
  5. Step 5: Solve for x
    x = 752,604,196,043.08/1,253,216.77
  6. Step 6: Final answer
    x = 600,537.92

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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.