Home / 767,688.30-1,059,067.23-445,211.46

Finding the Fourth Proportional to 767,688.30, 1,059,067.23 and 445,211.46

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Solution

The fourth proportional to 767,688.30, 1,059,067.23 and 445,211.46 is: 614,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,688.30 : 1,059,067.23 = 445,211.46 : x
  2. Step 2: Convert to fraction form
    767,688.30/1,059,067.23 = 445,211.46/x
  3. Step 3: Cross multiply
    767,688.30x = 1,059,067.23 × 445,211.46
  4. Step 4: Simplify right side
    767,688.30x = 471,508,867,706.46
  5. Step 5: Solve for x
    x = 471,508,867,706.46/767,688.30
  6. Step 6: Final answer
    x = 614,193.11

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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.