Home / 617,844.20-926,852.70-262,855.40

Finding the Fourth Proportional to 617,844.20, 926,852.70 and 262,855.40

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Solution

The fourth proportional to 617,844.20, 926,852.70 and 262,855.40 is: 394,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,844.20 : 926,852.70 = 262,855.40 : x
  2. Step 2: Convert to fraction form
    617,844.20/926,852.70 = 262,855.40/x
  3. Step 3: Cross multiply
    617,844.20x = 926,852.70 × 262,855.40
  4. Step 4: Simplify right side
    617,844.20x = 243,628,237,199.58
  5. Step 5: Solve for x
    x = 243,628,237,199.58/617,844.20
  6. Step 6: Final answer
    x = 394,319.86

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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.