Home / 383,306.77-528,974.27-213,551.83

Finding the Fourth Proportional to 383,306.77, 528,974.27 and 213,551.83

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Solution

The fourth proportional to 383,306.77, 528,974.27 and 213,551.83 is: 294,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,306.77 : 528,974.27 = 213,551.83 : x
  2. Step 2: Convert to fraction form
    383,306.77/528,974.27 = 213,551.83/x
  3. Step 3: Cross multiply
    383,306.77x = 528,974.27 × 213,551.83
  4. Step 4: Simplify right side
    383,306.77x = 112,963,421,400.83
  5. Step 5: Solve for x
    x = 112,963,421,400.83/383,306.77
  6. Step 6: Final answer
    x = 294,707.61

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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.