Home / 1,277,936.42-1,916,185.34-424,551.20

Finding the Fourth Proportional to 1,277,936.42, 1,916,185.34 and 424,551.20

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Solution

The fourth proportional to 1,277,936.42, 1,916,185.34 and 424,551.20 is: 636,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,936.42 : 1,916,185.34 = 424,551.20 : x
  2. Step 2: Convert to fraction form
    1,277,936.42/1,916,185.34 = 424,551.20/x
  3. Step 3: Cross multiply
    1,277,936.42x = 1,916,185.34 × 424,551.20
  4. Step 4: Simplify right side
    1,277,936.42x = 813,518,785,519.41
  5. Step 5: Solve for x
    x = 813,518,785,519.41/1,277,936.42
  6. Step 6: Final answer
    x = 636,587.84

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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.