Home / 403,278.80-604,534.20-150,491.60

Finding the Fourth Proportional to 403,278.80, 604,534.20 and 150,491.60

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Solution

The fourth proportional to 403,278.80, 604,534.20 and 150,491.60 is: 225,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,278.80 : 604,534.20 = 150,491.60 : x
  2. Step 2: Convert to fraction form
    403,278.80/604,534.20 = 150,491.60/x
  3. Step 3: Cross multiply
    403,278.80x = 604,534.20 × 150,491.60
  4. Step 4: Simplify right side
    403,278.80x = 90,977,319,012.72
  5. Step 5: Solve for x
    x = 90,977,319,012.72/403,278.80
  6. Step 6: Final answer
    x = 225,594.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.