Home / 926,632.56-1,278,682.28-518,640.96

Finding the Fourth Proportional to 926,632.56, 1,278,682.28 and 518,640.96

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Solution

The fourth proportional to 926,632.56, 1,278,682.28 and 518,640.96 is: 715,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,632.56 : 1,278,682.28 = 518,640.96 : x
  2. Step 2: Convert to fraction form
    926,632.56/1,278,682.28 = 518,640.96/x
  3. Step 3: Cross multiply
    926,632.56x = 1,278,682.28 × 518,640.96
  4. Step 4: Simplify right side
    926,632.56x = 663,177,005,234.19
  5. Step 5: Solve for x
    x = 663,177,005,234.19/926,632.56
  6. Step 6: Final answer
    x = 715,684.98

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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.