Home / 1,679,801.26-2,318,058.95-991,694.77

Finding the Fourth Proportional to 1,679,801.26, 2,318,058.95 and 991,694.77

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Solution

The fourth proportional to 1,679,801.26, 2,318,058.95 and 991,694.77 is: 1,368,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,801.26 : 2,318,058.95 = 991,694.77 : x
  2. Step 2: Convert to fraction form
    1,679,801.26/2,318,058.95 = 991,694.77/x
  3. Step 3: Cross multiply
    1,679,801.26x = 2,318,058.95 × 991,694.77
  4. Step 4: Simplify right side
    1,679,801.26x = 2,298,806,937,266.69
  5. Step 5: Solve for x
    x = 2,298,806,937,266.69/1,679,801.26
  6. Step 6: Final answer
    x = 1,368,499.35

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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.