Home / 644,195.69-888,925.07-376,079.21

Finding the Fourth Proportional to 644,195.69, 888,925.07 and 376,079.21

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Solution

The fourth proportional to 644,195.69, 888,925.07 and 376,079.21 is: 518,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,195.69 : 888,925.07 = 376,079.21 : x
  2. Step 2: Convert to fraction form
    644,195.69/888,925.07 = 376,079.21/x
  3. Step 3: Cross multiply
    644,195.69x = 888,925.07 × 376,079.21
  4. Step 4: Simplify right side
    644,195.69x = 334,306,234,570.37
  5. Step 5: Solve for x
    x = 334,306,234,570.37/644,195.69
  6. Step 6: Final answer
    x = 518,951.37

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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.