Home / 393,569.36-543,029.10-230,200.46

Finding the Fourth Proportional to 393,569.36, 543,029.10 and 230,200.46

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Solution

The fourth proportional to 393,569.36, 543,029.10 and 230,200.46 is: 317,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,569.36 : 543,029.10 = 230,200.46 : x
  2. Step 2: Convert to fraction form
    393,569.36/543,029.10 = 230,200.46/x
  3. Step 3: Cross multiply
    393,569.36x = 543,029.10 × 230,200.46
  4. Step 4: Simplify right side
    393,569.36x = 125,005,548,613.39
  5. Step 5: Solve for x
    x = 125,005,548,613.39/393,569.36
  6. Step 6: Final answer
    x = 317,620.12

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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.