Home / 517,621.49-776,185.88-180,621.19

Finding the Fourth Proportional to 517,621.49, 776,185.88 and 180,621.19

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Solution

The fourth proportional to 517,621.49, 776,185.88 and 180,621.19 is: 270,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,621.49 : 776,185.88 = 180,621.19 : x
  2. Step 2: Convert to fraction form
    517,621.49/776,185.88 = 180,621.19/x
  3. Step 3: Cross multiply
    517,621.49x = 776,185.88 × 180,621.19
  4. Step 4: Simplify right side
    517,621.49x = 140,195,613,425.87
  5. Step 5: Solve for x
    x = 140,195,613,425.87/517,621.49
  6. Step 6: Final answer
    x = 270,845.82

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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.