Home / 340,922.08-470,277.38-213,376.24

Finding the Fourth Proportional to 340,922.08, 470,277.38 and 213,376.24

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Solution

The fourth proportional to 340,922.08, 470,277.38 and 213,376.24 is: 294,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,922.08 : 470,277.38 = 213,376.24 : x
  2. Step 2: Convert to fraction form
    340,922.08/470,277.38 = 213,376.24/x
  3. Step 3: Cross multiply
    340,922.08x = 470,277.38 × 213,376.24
  4. Step 4: Simplify right side
    340,922.08x = 100,346,019,101.45
  5. Step 5: Solve for x
    x = 100,346,019,101.45/340,922.08
  6. Step 6: Final answer
    x = 294,337.11

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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.