Home / 476,724.12-715,184.46-139,775.82

Finding the Fourth Proportional to 476,724.12, 715,184.46 and 139,775.82

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Solution

The fourth proportional to 476,724.12, 715,184.46 and 139,775.82 is: 209,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,724.12 : 715,184.46 = 139,775.82 : x
  2. Step 2: Convert to fraction form
    476,724.12/715,184.46 = 139,775.82/x
  3. Step 3: Cross multiply
    476,724.12x = 715,184.46 × 139,775.82
  4. Step 4: Simplify right side
    476,724.12x = 99,965,494,347.76
  5. Step 5: Solve for x
    x = 99,965,494,347.76/476,724.12
  6. Step 6: Final answer
    x = 209,692.55

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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.