Home / 401,536.48-554,166.65-240,391.43

Finding the Fourth Proportional to 401,536.48, 554,166.65 and 240,391.43

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Solution

The fourth proportional to 401,536.48, 554,166.65 and 240,391.43 is: 331,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,536.48 : 554,166.65 = 240,391.43 : x
  2. Step 2: Convert to fraction form
    401,536.48/554,166.65 = 240,391.43/x
  3. Step 3: Cross multiply
    401,536.48x = 554,166.65 × 240,391.43
  4. Step 4: Simplify right side
    401,536.48x = 133,216,913,451.81
  5. Step 5: Solve for x
    x = 133,216,913,451.81/401,536.48
  6. Step 6: Final answer
    x = 331,767.90

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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.