Home / 685,886.97-946,514.06-379,962.83

Finding the Fourth Proportional to 685,886.97, 946,514.06 and 379,962.83

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Solution

The fourth proportional to 685,886.97, 946,514.06 and 379,962.83 is: 524,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,886.97 : 946,514.06 = 379,962.83 : x
  2. Step 2: Convert to fraction form
    685,886.97/946,514.06 = 379,962.83/x
  3. Step 3: Cross multiply
    685,886.97x = 946,514.06 × 379,962.83
  4. Step 4: Simplify right side
    685,886.97x = 359,640,162,763.72
  5. Step 5: Solve for x
    x = 359,640,162,763.72/685,886.97
  6. Step 6: Final answer
    x = 524,343.19

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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.