Home / 1,695,356.66-2,543,165.22-480,912.50

Finding the Fourth Proportional to 1,695,356.66, 2,543,165.22 and 480,912.50

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Solution

The fourth proportional to 1,695,356.66, 2,543,165.22 and 480,912.50 is: 721,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,356.66 : 2,543,165.22 = 480,912.50 : x
  2. Step 2: Convert to fraction form
    1,695,356.66/2,543,165.22 = 480,912.50/x
  3. Step 3: Cross multiply
    1,695,356.66x = 2,543,165.22 × 480,912.50
  4. Step 4: Simplify right side
    1,695,356.66x = 1,223,039,943,863.25
  5. Step 5: Solve for x
    x = 1,223,039,943,863.25/1,695,356.66
  6. Step 6: Final answer
    x = 721,405.69

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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.