Home / 814,571.84-1,124,055.12-451,972.71

Finding the Fourth Proportional to 814,571.84, 1,124,055.12 and 451,972.71

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Solution

The fourth proportional to 814,571.84, 1,124,055.12 and 451,972.71 is: 623,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,571.84 : 1,124,055.12 = 451,972.71 : x
  2. Step 2: Convert to fraction form
    814,571.84/1,124,055.12 = 451,972.71/x
  3. Step 3: Cross multiply
    814,571.84x = 1,124,055.12 × 451,972.71
  4. Step 4: Simplify right side
    814,571.84x = 508,042,240,470.67
  5. Step 5: Solve for x
    x = 508,042,240,470.67/814,571.84
  6. Step 6: Final answer
    x = 623,692.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.