Home / 890,920.24-1,336,777.72-410,889.94

Finding the Fourth Proportional to 890,920.24, 1,336,777.72 and 410,889.94

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Solution

The fourth proportional to 890,920.24, 1,336,777.72 and 410,889.94 is: 616,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,920.24 : 1,336,777.72 = 410,889.94 : x
  2. Step 2: Convert to fraction form
    890,920.24/1,336,777.72 = 410,889.94/x
  3. Step 3: Cross multiply
    890,920.24x = 1,336,777.72 × 410,889.94
  4. Step 4: Simplify right side
    890,920.24x = 549,268,512,794.97
  5. Step 5: Solve for x
    x = 549,268,512,794.97/890,920.24
  6. Step 6: Final answer
    x = 616,518.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.