Home / 526,789.34-726,963.75-285,066.62

Finding the Fourth Proportional to 526,789.34, 726,963.75 and 285,066.62

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Solution

The fourth proportional to 526,789.34, 726,963.75 and 285,066.62 is: 393,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,789.34 : 726,963.75 = 285,066.62 : x
  2. Step 2: Convert to fraction form
    526,789.34/726,963.75 = 285,066.62/x
  3. Step 3: Cross multiply
    526,789.34x = 726,963.75 × 285,066.62
  4. Step 4: Simplify right side
    526,789.34x = 207,233,099,075.03
  5. Step 5: Solve for x
    x = 207,233,099,075.03/526,789.34
  6. Step 6: Final answer
    x = 393,388.94

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1.5x scale

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.