Home / 401,029.14-553,399.10-228,940.32

Finding the Fourth Proportional to 401,029.14, 553,399.10 and 228,940.32

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Solution

The fourth proportional to 401,029.14, 553,399.10 and 228,940.32 is: 315,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,029.14 : 553,399.10 = 228,940.32 : x
  2. Step 2: Convert to fraction form
    401,029.14/553,399.10 = 228,940.32/x
  3. Step 3: Cross multiply
    401,029.14x = 553,399.10 × 228,940.32
  4. Step 4: Simplify right side
    401,029.14x = 126,695,367,041.71
  5. Step 5: Solve for x
    x = 126,695,367,041.71/401,029.14
  6. Step 6: Final answer
    x = 315,925.59

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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.