Home / 873,618.01-1,205,393.39-491,505.37

Finding the Fourth Proportional to 873,618.01, 1,205,393.39 and 491,505.37

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Solution

The fourth proportional to 873,618.01, 1,205,393.39 and 491,505.37 is: 678,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,618.01 : 1,205,393.39 = 491,505.37 : x
  2. Step 2: Convert to fraction form
    873,618.01/1,205,393.39 = 491,505.37/x
  3. Step 3: Cross multiply
    873,618.01x = 1,205,393.39 × 491,505.37
  4. Step 4: Simplify right side
    873,618.01x = 592,457,324,147.50
  5. Step 5: Solve for x
    x = 592,457,324,147.50/873,618.01
  6. Step 6: Final answer
    x = 678,165.19

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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.