Home / 916,778.44-1,265,234.31-534,928.24

Finding the Fourth Proportional to 916,778.44, 1,265,234.31 and 534,928.24

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Solution

The fourth proportional to 916,778.44, 1,265,234.31 and 534,928.24 is: 738,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,778.44 : 1,265,234.31 = 534,928.24 : x
  2. Step 2: Convert to fraction form
    916,778.44/1,265,234.31 = 534,928.24/x
  3. Step 3: Cross multiply
    916,778.44x = 1,265,234.31 × 534,928.24
  4. Step 4: Simplify right side
    916,778.44x = 676,809,564,217.46
  5. Step 5: Solve for x
    x = 676,809,564,217.46/916,778.44
  6. Step 6: Final answer
    x = 738,247.69

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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.