Home / 1,963,400.45-2,945,165.13-543,337.61

Finding the Fourth Proportional to 1,963,400.45, 2,945,165.13 and 543,337.61

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Solution

The fourth proportional to 1,963,400.45, 2,945,165.13 and 543,337.61 is: 815,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,400.45 : 2,945,165.13 = 543,337.61 : x
  2. Step 2: Convert to fraction form
    1,963,400.45/2,945,165.13 = 543,337.61/x
  3. Step 3: Cross multiply
    1,963,400.45x = 2,945,165.13 × 543,337.61
  4. Step 4: Simplify right side
    1,963,400.45x = 1,600,218,968,063.71
  5. Step 5: Solve for x
    x = 1,600,218,968,063.71/1,963,400.45
  6. Step 6: Final answer
    x = 815,024.25

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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.