Home / 526,816.92-727,008.64-285,101.25

Finding the Fourth Proportional to 526,816.92, 727,008.64 and 285,101.25

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Solution

The fourth proportional to 526,816.92, 727,008.64 and 285,101.25 is: 393,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,816.92 : 727,008.64 = 285,101.25 : x
  2. Step 2: Convert to fraction form
    526,816.92/727,008.64 = 285,101.25/x
  3. Step 3: Cross multiply
    526,816.92x = 727,008.64 × 285,101.25
  4. Step 4: Simplify right side
    526,816.92x = 207,271,074,278.88
  5. Step 5: Solve for x
    x = 207,271,074,278.88/526,816.92
  6. Step 6: Final answer
    x = 393,440.42

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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.