Home / 526,971.15-727,220.61-285,252.98

Finding the Fourth Proportional to 526,971.15, 727,220.61 and 285,252.98

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Solution

The fourth proportional to 526,971.15, 727,220.61 and 285,252.98 is: 393,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,971.15 : 727,220.61 = 285,252.98 : x
  2. Step 2: Convert to fraction form
    526,971.15/727,220.61 = 285,252.98/x
  3. Step 3: Cross multiply
    526,971.15x = 727,220.61 × 285,252.98
  4. Step 4: Simplify right side
    526,971.15x = 207,441,846,119.92
  5. Step 5: Solve for x
    x = 207,441,846,119.92/526,971.15
  6. Step 6: Final answer
    x = 393,649.34

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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.