Home / 402,069.42-554,900.04-230,003.28

Finding the Fourth Proportional to 402,069.42, 554,900.04 and 230,003.28

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Solution

The fourth proportional to 402,069.42, 554,900.04 and 230,003.28 is: 317,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,069.42 : 554,900.04 = 230,003.28 : x
  2. Step 2: Convert to fraction form
    402,069.42/554,900.04 = 230,003.28/x
  3. Step 3: Cross multiply
    402,069.42x = 554,900.04 × 230,003.28
  4. Step 4: Simplify right side
    402,069.42x = 127,628,829,272.13
  5. Step 5: Solve for x
    x = 127,628,829,272.13/402,069.42
  6. Step 6: Final answer
    x = 317,429.83

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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.