Home / 873,617.88-1,205,393.22-491,505.24

Finding the Fourth Proportional to 873,617.88, 1,205,393.22 and 491,505.24

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Solution

The fourth proportional to 873,617.88, 1,205,393.22 and 491,505.24 is: 678,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,617.88 : 1,205,393.22 = 491,505.24 : x
  2. Step 2: Convert to fraction form
    873,617.88/1,205,393.22 = 491,505.24/x
  3. Step 3: Cross multiply
    873,617.88x = 1,205,393.22 × 491,505.24
  4. Step 4: Simplify right side
    873,617.88x = 592,457,083,890.47
  5. Step 5: Solve for x
    x = 592,457,083,890.47/873,617.88
  6. Step 6: Final answer
    x = 678,165.02

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1.5x scale

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.