Home / 1,559,643.76-2,339,688.53-480,247.48

Finding the Fourth Proportional to 1,559,643.76, 2,339,688.53 and 480,247.48

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Solution

The fourth proportional to 1,559,643.76, 2,339,688.53 and 480,247.48 is: 720,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,643.76 : 2,339,688.53 = 480,247.48 : x
  2. Step 2: Convert to fraction form
    1,559,643.76/2,339,688.53 = 480,247.48/x
  3. Step 3: Cross multiply
    1,559,643.76x = 2,339,688.53 × 480,247.48
  4. Step 4: Simplify right side
    1,559,643.76x = 1,123,629,520,517.40
  5. Step 5: Solve for x
    x = 1,123,629,520,517.40/1,559,643.76
  6. Step 6: Final answer
    x = 720,439.85

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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.