Home / 928,003.77-1,392,123.38-328,847.85

Finding the Fourth Proportional to 928,003.77, 1,392,123.38 and 328,847.85

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Solution

The fourth proportional to 928,003.77, 1,392,123.38 and 328,847.85 is: 493,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,003.77 : 1,392,123.38 = 328,847.85 : x
  2. Step 2: Convert to fraction form
    928,003.77/1,392,123.38 = 328,847.85/x
  3. Step 3: Cross multiply
    928,003.77x = 1,392,123.38 × 328,847.85
  4. Step 4: Simplify right side
    928,003.77x = 457,796,778,803.49
  5. Step 5: Solve for x
    x = 457,796,778,803.49/928,003.77
  6. Step 6: Final answer
    x = 493,313.49

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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.