Home / 1,839,017.21-2,758,541.18-640,937.58

Finding the Fourth Proportional to 1,839,017.21, 2,758,541.18 and 640,937.58

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Solution

The fourth proportional to 1,839,017.21, 2,758,541.18 and 640,937.58 is: 961,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,017.21 : 2,758,541.18 = 640,937.58 : x
  2. Step 2: Convert to fraction form
    1,839,017.21/2,758,541.18 = 640,937.58/x
  3. Step 3: Cross multiply
    1,839,017.21x = 2,758,541.18 × 640,937.58
  4. Step 4: Simplify right side
    1,839,017.21x = 1,768,052,705,034.86
  5. Step 5: Solve for x
    x = 1,768,052,705,034.86/1,839,017.21
  6. Step 6: Final answer
    x = 961,411.73

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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.