Home / 1,758,983.20-2,638,685.04-621,509.92

Finding the Fourth Proportional to 1,758,983.20, 2,638,685.04 and 621,509.92

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Solution

The fourth proportional to 1,758,983.20, 2,638,685.04 and 621,509.92 is: 932,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,983.20 : 2,638,685.04 = 621,509.92 : x
  2. Step 2: Convert to fraction form
    1,758,983.20/2,638,685.04 = 621,509.92/x
  3. Step 3: Cross multiply
    1,758,983.20x = 2,638,685.04 × 621,509.92
  4. Step 4: Simplify right side
    1,758,983.20x = 1,639,968,928,115.60
  5. Step 5: Solve for x
    x = 1,639,968,928,115.60/1,758,983.20
  6. Step 6: Final answer
    x = 932,339.17

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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.