Home / 1,257,565.84-1,735,440.39-684,605.86

Finding the Fourth Proportional to 1,257,565.84, 1,735,440.39 and 684,605.86

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Solution

The fourth proportional to 1,257,565.84, 1,735,440.39 and 684,605.86 is: 944,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,565.84 : 1,735,440.39 = 684,605.86 : x
  2. Step 2: Convert to fraction form
    1,257,565.84/1,735,440.39 = 684,605.86/x
  3. Step 3: Cross multiply
    1,257,565.84x = 1,735,440.39 × 684,605.86
  4. Step 4: Simplify right side
    1,257,565.84x = 1,188,092,656,336.08
  5. Step 5: Solve for x
    x = 1,188,092,656,336.08/1,257,565.84
  6. Step 6: Final answer
    x = 944,755.83

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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.