Home / 1,963,440.38-2,944,832.52-543,639.98

Finding the Fourth Proportional to 1,963,440.38, 2,944,832.52 and 543,639.98

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Solution

The fourth proportional to 1,963,440.38, 2,944,832.52 and 543,639.98 is: 815,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,440.38 : 2,944,832.52 = 543,639.98 : x
  2. Step 2: Convert to fraction form
    1,963,440.38/2,944,832.52 = 543,639.98/x
  3. Step 3: Cross multiply
    1,963,440.38x = 2,944,832.52 × 543,639.98
  4. Step 4: Simplify right side
    1,963,440.38x = 1,600,928,692,276.15
  5. Step 5: Solve for x
    x = 1,600,928,692,276.15/1,963,440.38
  6. Step 6: Final answer
    x = 815,369.14

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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.