Home / 1,453,764.24-2,179,298.52-643,716.90

Finding the Fourth Proportional to 1,453,764.24, 2,179,298.52 and 643,716.90

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Solution

The fourth proportional to 1,453,764.24, 2,179,298.52 and 643,716.90 is: 964,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,764.24 : 2,179,298.52 = 643,716.90 : x
  2. Step 2: Convert to fraction form
    1,453,764.24/2,179,298.52 = 643,716.90/x
  3. Step 3: Cross multiply
    1,453,764.24x = 2,179,298.52 × 643,716.90
  4. Step 4: Simplify right side
    1,453,764.24x = 1,402,851,287,468.99
  5. Step 5: Solve for x
    x = 1,402,851,287,468.99/1,453,764.24
  6. Step 6: Final answer
    x = 964,978.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.