Home / 409,913.40-565,723.98-240,290.04

Finding the Fourth Proportional to 409,913.40, 565,723.98 and 240,290.04

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Solution

The fourth proportional to 409,913.40, 565,723.98 and 240,290.04 is: 331,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,913.40 : 565,723.98 = 240,290.04 : x
  2. Step 2: Convert to fraction form
    409,913.40/565,723.98 = 240,290.04/x
  3. Step 3: Cross multiply
    409,913.40x = 565,723.98 × 240,290.04
  4. Step 4: Simplify right side
    409,913.40x = 135,937,837,783.16
  5. Step 5: Solve for x
    x = 135,937,837,783.16/409,913.40
  6. Step 6: Final answer
    x = 331,625.75

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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.