Home / 401,452.14-554,028.45-231,697.18

Finding the Fourth Proportional to 401,452.14, 554,028.45 and 231,697.18

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Solution

The fourth proportional to 401,452.14, 554,028.45 and 231,697.18 is: 319,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,452.14 : 554,028.45 = 231,697.18 : x
  2. Step 2: Convert to fraction form
    401,452.14/554,028.45 = 231,697.18/x
  3. Step 3: Cross multiply
    401,452.14x = 554,028.45 × 231,697.18
  4. Step 4: Simplify right side
    401,452.14x = 128,366,829,504.77
  5. Step 5: Solve for x
    x = 128,366,829,504.77/401,452.14
  6. Step 6: Final answer
    x = 319,756.25

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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.