Home / 1,223,497.80-1,835,246.70-663,625.80

Finding the Fourth Proportional to 1,223,497.80, 1,835,246.70 and 663,625.80

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Solution

The fourth proportional to 1,223,497.80, 1,835,246.70 and 663,625.80 is: 995,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,497.80 : 1,835,246.70 = 663,625.80 : x
  2. Step 2: Convert to fraction form
    1,223,497.80/1,835,246.70 = 663,625.80/x
  3. Step 3: Cross multiply
    1,223,497.80x = 1,835,246.70 × 663,625.80
  4. Step 4: Simplify right side
    1,223,497.80x = 1,217,917,059,484.86
  5. Step 5: Solve for x
    x = 1,217,917,059,484.86/1,223,497.80
  6. Step 6: Final answer
    x = 995,438.70

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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.