Home / 525,549.32-725,257.88-283,831.96

Finding the Fourth Proportional to 525,549.32, 725,257.88 and 283,831.96

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Solution

The fourth proportional to 525,549.32, 725,257.88 and 283,831.96 is: 391,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,549.32 : 725,257.88 = 283,831.96 : x
  2. Step 2: Convert to fraction form
    525,549.32/725,257.88 = 283,831.96/x
  3. Step 3: Cross multiply
    525,549.32x = 725,257.88 × 283,831.96
  4. Step 4: Simplify right side
    525,549.32x = 205,851,365,585.85
  5. Step 5: Solve for x
    x = 205,851,365,585.85/525,549.32
  6. Step 6: Final answer
    x = 391,688.01

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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.