Home / 526,816.85-727,008.54-285,101.18

Finding the Fourth Proportional to 526,816.85, 727,008.54 and 285,101.18

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Solution

The fourth proportional to 526,816.85, 727,008.54 and 285,101.18 is: 393,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,816.85 : 727,008.54 = 285,101.18 : x
  2. Step 2: Convert to fraction form
    526,816.85/727,008.54 = 285,101.18/x
  3. Step 3: Cross multiply
    526,816.85x = 727,008.54 × 285,101.18
  4. Step 4: Simplify right side
    526,816.85x = 207,270,990,093.80
  5. Step 5: Solve for x
    x = 207,270,990,093.80/526,816.85
  6. Step 6: Final answer
    x = 393,440.32

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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.