Home / 1,257,215.45-1,734,957.33-684,259.79

Finding the Fourth Proportional to 1,257,215.45, 1,734,957.33 and 684,259.79

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Solution

The fourth proportional to 1,257,215.45, 1,734,957.33 and 684,259.79 is: 944,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,215.45 : 1,734,957.33 = 684,259.79 : x
  2. Step 2: Convert to fraction form
    1,257,215.45/1,734,957.33 = 684,259.79/x
  3. Step 3: Cross multiply
    1,257,215.45x = 1,734,957.33 × 684,259.79
  4. Step 4: Simplify right side
    1,257,215.45x = 1,187,161,538,284.76
  5. Step 5: Solve for x
    x = 1,187,161,538,284.76/1,257,215.45
  6. Step 6: Final answer
    x = 944,278.52

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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.