Home / 517,621.98-776,186.63-180,621.69

Finding the Fourth Proportional to 517,621.98, 776,186.63 and 180,621.69

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Solution

The fourth proportional to 517,621.98, 776,186.63 and 180,621.69 is: 270,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,621.98 : 776,186.63 = 180,621.69 : x
  2. Step 2: Convert to fraction form
    517,621.98/776,186.63 = 180,621.69/x
  3. Step 3: Cross multiply
    517,621.98x = 776,186.63 × 180,621.69
  4. Step 4: Simplify right side
    517,621.98x = 140,196,140,866.01
  5. Step 5: Solve for x
    x = 140,196,140,866.01/517,621.98
  6. Step 6: Final answer
    x = 270,846.58

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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.