Home / 1,228,206.35-1,694,876.49-684,328.16

Finding the Fourth Proportional to 1,228,206.35, 1,694,876.49 and 684,328.16

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Solution

The fourth proportional to 1,228,206.35, 1,694,876.49 and 684,328.16 is: 944,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,206.35 : 1,694,876.49 = 684,328.16 : x
  2. Step 2: Convert to fraction form
    1,228,206.35/1,694,876.49 = 684,328.16/x
  3. Step 3: Cross multiply
    1,228,206.35x = 1,694,876.49 × 684,328.16
  4. Step 4: Simplify right side
    1,228,206.35x = 1,159,851,701,354.58
  5. Step 5: Solve for x
    x = 1,159,851,701,354.58/1,228,206.35
  6. Step 6: Final answer
    x = 944,345.96

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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.