Home / 648,600.75-894,811.32-433,399.95

Finding the Fourth Proportional to 648,600.75, 894,811.32 and 433,399.95

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Solution

The fourth proportional to 648,600.75, 894,811.32 and 433,399.95 is: 597,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,600.75 : 894,811.32 = 433,399.95 : x
  2. Step 2: Convert to fraction form
    648,600.75/894,811.32 = 433,399.95/x
  3. Step 3: Cross multiply
    648,600.75x = 894,811.32 × 433,399.95
  4. Step 4: Simplify right side
    648,600.75x = 387,811,181,347.43
  5. Step 5: Solve for x
    x = 387,811,181,347.43/648,600.75
  6. Step 6: Final answer
    x = 597,919.72

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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.