Home / 346,811.10-520,216.65-222,395.10

Finding the Fourth Proportional to 346,811.10, 520,216.65 and 222,395.10

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Solution

The fourth proportional to 346,811.10, 520,216.65 and 222,395.10 is: 333,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,811.10 : 520,216.65 = 222,395.10 : x
  2. Step 2: Convert to fraction form
    346,811.10/520,216.65 = 222,395.10/x
  3. Step 3: Cross multiply
    346,811.10x = 520,216.65 × 222,395.10
  4. Step 4: Simplify right side
    346,811.10x = 115,693,633,898.42
  5. Step 5: Solve for x
    x = 115,693,633,898.42/346,811.10
  6. Step 6: Final answer
    x = 333,592.65

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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.