Home / 403,321.20-603,461.74-240,613.53

Finding the Fourth Proportional to 403,321.20, 603,461.74 and 240,613.53

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Solution

The fourth proportional to 403,321.20, 603,461.74 and 240,613.53 is: 360,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,321.20 : 603,461.74 = 240,613.53 : x
  2. Step 2: Convert to fraction form
    403,321.20/603,461.74 = 240,613.53/x
  3. Step 3: Cross multiply
    403,321.20x = 603,461.74 × 240,613.53
  4. Step 4: Simplify right side
    403,321.20x = 145,201,059,481.34
  5. Step 5: Solve for x
    x = 145,201,059,481.34/403,321.20
  6. Step 6: Final answer
    x = 360,013.46

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1.5x scale

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.