Home / 526,821.92-727,014.32-285,104.56

Finding the Fourth Proportional to 526,821.92, 727,014.32 and 285,104.56

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Solution

The fourth proportional to 526,821.92, 727,014.32 and 285,104.56 is: 393,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,821.92 : 727,014.32 = 285,104.56 : x
  2. Step 2: Convert to fraction form
    526,821.92/727,014.32 = 285,104.56/x
  3. Step 3: Cross multiply
    526,821.92x = 727,014.32 × 285,104.56
  4. Step 4: Simplify right side
    526,821.92x = 207,275,092,756.71
  5. Step 5: Solve for x
    x = 207,275,092,756.71/526,821.92
  6. Step 6: Final answer
    x = 393,444.32

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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.