Home / 1,985,259.88-2,976,438-636,654.82

Finding the Fourth Proportional to 1,985,259.88, 2,976,438 and 636,654.82

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Solution

The fourth proportional to 1,985,259.88, 2,976,438 and 636,654.82 is: 954,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,259.88 : 2,976,438 = 636,654.82 : x
  2. Step 2: Convert to fraction form
    1,985,259.88/2,976,438 = 636,654.82/x
  3. Step 3: Cross multiply
    1,985,259.88x = 2,976,438 × 636,654.82
  4. Step 4: Simplify right side
    1,985,259.88x = 1,894,963,599,131.16
  5. Step 5: Solve for x
    x = 1,894,963,599,131.16/1,985,259.88
  6. Step 6: Final answer
    x = 954,516.64

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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.