Home / 1,257,513.54-1,735,368.66-684,557.88

Finding the Fourth Proportional to 1,257,513.54, 1,735,368.66 and 684,557.88

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Solution

The fourth proportional to 1,257,513.54, 1,735,368.66 and 684,557.88 is: 944,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,513.54 : 1,735,368.66 = 684,557.88 : x
  2. Step 2: Convert to fraction form
    1,257,513.54/1,735,368.66 = 684,557.88/x
  3. Step 3: Cross multiply
    1,257,513.54x = 1,735,368.66 × 684,557.88
  4. Step 4: Simplify right side
    1,257,513.54x = 1,187,960,290,908.04
  5. Step 5: Solve for x
    x = 1,187,960,290,908.04/1,257,513.54
  6. Step 6: Final answer
    x = 944,689.86

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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.