Home / 409,890.40-565,692.24-240,267.04

Finding the Fourth Proportional to 409,890.40, 565,692.24 and 240,267.04

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Solution

The fourth proportional to 409,890.40, 565,692.24 and 240,267.04 is: 331,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,890.40 : 565,692.24 = 240,267.04 : x
  2. Step 2: Convert to fraction form
    409,890.40/565,692.24 = 240,267.04/x
  3. Step 3: Cross multiply
    409,890.40x = 565,692.24 × 240,267.04
  4. Step 4: Simplify right side
    409,890.40x = 135,917,200,055.77
  5. Step 5: Solve for x
    x = 135,917,200,055.77/409,890.40
  6. Step 6: Final answer
    x = 331,594.01

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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.