Home / 340,621.58-470,057.92-197,464.62

Finding the Fourth Proportional to 340,621.58, 470,057.92 and 197,464.62

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Solution

The fourth proportional to 340,621.58, 470,057.92 and 197,464.62 is: 272,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,621.58 : 470,057.92 = 197,464.62 : x
  2. Step 2: Convert to fraction form
    340,621.58/470,057.92 = 197,464.62/x
  3. Step 3: Cross multiply
    340,621.58x = 470,057.92 × 197,464.62
  4. Step 4: Simplify right side
    340,621.58x = 92,819,808,550.79
  5. Step 5: Solve for x
    x = 92,819,808,550.79/340,621.58
  6. Step 6: Final answer
    x = 272,501.26

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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.