Home / 402,022.58-554,766.02-220,733.34

Finding the Fourth Proportional to 402,022.58, 554,766.02 and 220,733.34

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Solution

The fourth proportional to 402,022.58, 554,766.02 and 220,733.34 is: 304,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,022.58 : 554,766.02 = 220,733.34 : x
  2. Step 2: Convert to fraction form
    402,022.58/554,766.02 = 220,733.34/x
  3. Step 3: Cross multiply
    402,022.58x = 554,766.02 × 220,733.34
  4. Step 4: Simplify right side
    402,022.58x = 122,455,355,409.44
  5. Step 5: Solve for x
    x = 122,455,355,409.44/402,022.58
  6. Step 6: Final answer
    x = 304,598.20

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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.