Home / 842,923.88-1,163,255.20-480,339.98

Finding the Fourth Proportional to 842,923.88, 1,163,255.20 and 480,339.98

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Solution

The fourth proportional to 842,923.88, 1,163,255.20 and 480,339.98 is: 662,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,923.88 : 1,163,255.20 = 480,339.98 : x
  2. Step 2: Convert to fraction form
    842,923.88/1,163,255.20 = 480,339.98/x
  3. Step 3: Cross multiply
    842,923.88x = 1,163,255.20 × 480,339.98
  4. Step 4: Simplify right side
    842,923.88x = 558,757,979,502.90
  5. Step 5: Solve for x
    x = 558,757,979,502.90/842,923.88
  6. Step 6: Final answer
    x = 662,880.71

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Double scale
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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.