Home / 401,857.38-554,555.27-227,424.35

Finding the Fourth Proportional to 401,857.38, 554,555.27 and 227,424.35

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Solution

The fourth proportional to 401,857.38, 554,555.27 and 227,424.35 is: 313,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,857.38 : 554,555.27 = 227,424.35 : x
  2. Step 2: Convert to fraction form
    401,857.38/554,555.27 = 227,424.35/x
  3. Step 3: Cross multiply
    401,857.38x = 554,555.27 × 227,424.35
  4. Step 4: Simplify right side
    401,857.38x = 126,119,372,068.09
  5. Step 5: Solve for x
    x = 126,119,372,068.09/401,857.38
  6. Step 6: Final answer
    x = 313,841.12

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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.