Home / 613,446.24-846,535.04-345,122.40

Finding the Fourth Proportional to 613,446.24, 846,535.04 and 345,122.40

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Solution

The fourth proportional to 613,446.24, 846,535.04 and 345,122.40 is: 476,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,446.24 : 846,535.04 = 345,122.40 : x
  2. Step 2: Convert to fraction form
    613,446.24/846,535.04 = 345,122.40/x
  3. Step 3: Cross multiply
    613,446.24x = 846,535.04 × 345,122.40
  4. Step 4: Simplify right side
    613,446.24x = 292,158,204,688.90
  5. Step 5: Solve for x
    x = 292,158,204,688.90/613,446.24
  6. Step 6: Final answer
    x = 476,257.23

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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.