Home / 873,256.68-1,205,082.36-491,283.90

Finding the Fourth Proportional to 873,256.68, 1,205,082.36 and 491,283.90

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Solution

The fourth proportional to 873,256.68, 1,205,082.36 and 491,283.90 is: 677,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,256.68 : 1,205,082.36 = 491,283.90 : x
  2. Step 2: Convert to fraction form
    873,256.68/1,205,082.36 = 491,283.90/x
  3. Step 3: Cross multiply
    873,256.68x = 1,205,082.36 × 491,283.90
  4. Step 4: Simplify right side
    873,256.68x = 592,037,561,642.00
  5. Step 5: Solve for x
    x = 592,037,561,642.00/873,256.68
  6. Step 6: Final answer
    x = 677,965.11

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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.