Home / 767,766.44-1,059,514.70-423,623.78

Finding the Fourth Proportional to 767,766.44, 1,059,514.70 and 423,623.78

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Solution

The fourth proportional to 767,766.44, 1,059,514.70 and 423,623.78 is: 584,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,766.44 : 1,059,514.70 = 423,623.78 : x
  2. Step 2: Convert to fraction form
    767,766.44/1,059,514.70 = 423,623.78/x
  3. Step 3: Cross multiply
    767,766.44x = 1,059,514.70 × 423,623.78
  4. Step 4: Simplify right side
    767,766.44x = 448,835,622,179.57
  5. Step 5: Solve for x
    x = 448,835,622,179.57/767,766.44
  6. Step 6: Final answer
    x = 584,599.17

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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.