Home / 1,252,870.84-1,728,962.85-679,910.95

Finding the Fourth Proportional to 1,252,870.84, 1,728,962.85 and 679,910.95

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Solution

The fourth proportional to 1,252,870.84, 1,728,962.85 and 679,910.95 is: 938,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,870.84 : 1,728,962.85 = 679,910.95 : x
  2. Step 2: Convert to fraction form
    1,252,870.84/1,728,962.85 = 679,910.95/x
  3. Step 3: Cross multiply
    1,252,870.84x = 1,728,962.85 × 679,910.95
  4. Step 4: Simplify right side
    1,252,870.84x = 1,175,540,773,858.21
  5. Step 5: Solve for x
    x = 1,175,540,773,858.21/1,252,870.84
  6. Step 6: Final answer
    x = 938,277.70

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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.