Home / 622,669.62-859,348.80-381,113.04

Finding the Fourth Proportional to 622,669.62, 859,348.80 and 381,113.04

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Solution

The fourth proportional to 622,669.62, 859,348.80 and 381,113.04 is: 525,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,669.62 : 859,348.80 = 381,113.04 : x
  2. Step 2: Convert to fraction form
    622,669.62/859,348.80 = 381,113.04/x
  3. Step 3: Cross multiply
    622,669.62x = 859,348.80 × 381,113.04
  4. Step 4: Simplify right side
    622,669.62x = 327,509,033,588.35
  5. Step 5: Solve for x
    x = 327,509,033,588.35/622,669.62
  6. Step 6: Final answer
    x = 525,975.61

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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.