Home / 809,381.08-1,116,962.22-446,803.48

Finding the Fourth Proportional to 809,381.08, 1,116,962.22 and 446,803.48

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Solution

The fourth proportional to 809,381.08, 1,116,962.22 and 446,803.48 is: 616,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,381.08 : 1,116,962.22 = 446,803.48 : x
  2. Step 2: Convert to fraction form
    809,381.08/1,116,962.22 = 446,803.48/x
  3. Step 3: Cross multiply
    809,381.08x = 1,116,962.22 × 446,803.48
  4. Step 4: Simplify right side
    809,381.08x = 499,062,606,924.53
  5. Step 5: Solve for x
    x = 499,062,606,924.53/809,381.08
  6. Step 6: Final answer
    x = 616,597.82

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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.