Home / 1,559,643.26-2,339,687.78-480,246.98

Finding the Fourth Proportional to 1,559,643.26, 2,339,687.78 and 480,246.98

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Solution

The fourth proportional to 1,559,643.26, 2,339,687.78 and 480,246.98 is: 720,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,643.26 : 2,339,687.78 = 480,246.98 : x
  2. Step 2: Convert to fraction form
    1,559,643.26/2,339,687.78 = 480,246.98/x
  3. Step 3: Cross multiply
    1,559,643.26x = 2,339,687.78 × 480,246.98
  4. Step 4: Simplify right side
    1,559,643.26x = 1,123,627,990,487.90
  5. Step 5: Solve for x
    x = 1,123,627,990,487.90/1,559,643.26
  6. Step 6: Final answer
    x = 720,439.10

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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.