Home / 403,320.20-603,460.25-240,612.53

Finding the Fourth Proportional to 403,320.20, 603,460.25 and 240,612.53

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Solution

The fourth proportional to 403,320.20, 603,460.25 and 240,612.53 is: 360,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,320.20 : 603,460.25 = 240,612.53 : x
  2. Step 2: Convert to fraction form
    403,320.20/603,460.25 = 240,612.53/x
  3. Step 3: Cross multiply
    403,320.20x = 603,460.25 × 240,612.53
  4. Step 4: Simplify right side
    403,320.20x = 145,200,096,303.87
  5. Step 5: Solve for x
    x = 145,200,096,303.87/403,320.20
  6. Step 6: Final answer
    x = 360,011.96

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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.