Home / 962,580.72-1,328,377.09-526,990.77

Finding the Fourth Proportional to 962,580.72, 1,328,377.09 and 526,990.77

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Solution

The fourth proportional to 962,580.72, 1,328,377.09 and 526,990.77 is: 727,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,580.72 : 1,328,377.09 = 526,990.77 : x
  2. Step 2: Convert to fraction form
    962,580.72/1,328,377.09 = 526,990.77/x
  3. Step 3: Cross multiply
    962,580.72x = 1,328,377.09 × 526,990.77
  4. Step 4: Simplify right side
    962,580.72x = 700,042,456,232.62
  5. Step 5: Solve for x
    x = 700,042,456,232.62/962,580.72
  6. Step 6: Final answer
    x = 727,255.85

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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.