Home / 1,257,218.52-1,734,999.66-684,300.12

Finding the Fourth Proportional to 1,257,218.52, 1,734,999.66 and 684,300.12

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Solution

The fourth proportional to 1,257,218.52, 1,734,999.66 and 684,300.12 is: 944,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,218.52 : 1,734,999.66 = 684,300.12 : x
  2. Step 2: Convert to fraction form
    1,257,218.52/1,734,999.66 = 684,300.12/x
  3. Step 3: Cross multiply
    1,257,218.52x = 1,734,999.66 × 684,300.12
  4. Step 4: Simplify right side
    1,257,218.52x = 1,187,260,475,537.96
  5. Step 5: Solve for x
    x = 1,187,260,475,537.96/1,257,218.52
  6. Step 6: Final answer
    x = 944,354.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.