Home / 401,913.07-554,609.56-220,596.19

Finding the Fourth Proportional to 401,913.07, 554,609.56 and 220,596.19

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Solution

The fourth proportional to 401,913.07, 554,609.56 and 220,596.19 is: 304,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,913.07 : 554,609.56 = 220,596.19 : x
  2. Step 2: Convert to fraction form
    401,913.07/554,609.56 = 220,596.19/x
  3. Step 3: Cross multiply
    401,913.07x = 554,609.56 × 220,596.19
  4. Step 4: Simplify right side
    401,913.07x = 122,344,755,873.58
  5. Step 5: Solve for x
    x = 122,344,755,873.58/401,913.07
  6. Step 6: Final answer
    x = 304,406.01

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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.