Home / 403,319.08-603,458.55-240,611.41

Finding the Fourth Proportional to 403,319.08, 603,458.55 and 240,611.41

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Solution

The fourth proportional to 403,319.08, 603,458.55 and 240,611.41 is: 360,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,319.08 : 603,458.55 = 240,611.41 : x
  2. Step 2: Convert to fraction form
    403,319.08/603,458.55 = 240,611.41/x
  3. Step 3: Cross multiply
    403,319.08x = 603,458.55 × 240,611.41
  4. Step 4: Simplify right side
    403,319.08x = 145,199,012,592.06
  5. Step 5: Solve for x
    x = 145,199,012,592.06/403,319.08
  6. Step 6: Final answer
    x = 360,010.27

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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.