Home / 1,196,340.32-1,650,891.39-712,894.70

Finding the Fourth Proportional to 1,196,340.32, 1,650,891.39 and 712,894.70

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Solution

The fourth proportional to 1,196,340.32, 1,650,891.39 and 712,894.70 is: 983,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,340.32 : 1,650,891.39 = 712,894.70 : x
  2. Step 2: Convert to fraction form
    1,196,340.32/1,650,891.39 = 712,894.70/x
  3. Step 3: Cross multiply
    1,196,340.32x = 1,650,891.39 × 712,894.70
  4. Step 4: Simplify right side
    1,196,340.32x = 1,176,911,722,206.63
  5. Step 5: Solve for x
    x = 1,176,911,722,206.63/1,196,340.32
  6. Step 6: Final answer
    x = 983,759.97

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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.