Home / 1,383,267.30-1,908,620.16-839,689.26

Finding the Fourth Proportional to 1,383,267.30, 1,908,620.16 and 839,689.26

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Solution

The fourth proportional to 1,383,267.30, 1,908,620.16 and 839,689.26 is: 1,158,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,267.30 : 1,908,620.16 = 839,689.26 : x
  2. Step 2: Convert to fraction form
    1,383,267.30/1,908,620.16 = 839,689.26/x
  3. Step 3: Cross multiply
    1,383,267.30x = 1,908,620.16 × 839,689.26
  4. Step 4: Simplify right side
    1,383,267.30x = 1,602,647,849,771.48
  5. Step 5: Solve for x
    x = 1,602,647,849,771.48/1,383,267.30
  6. Step 6: Final answer
    x = 1,158,595.92

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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.