Home / 494,831.30-742,246.95-214,895.30

Finding the Fourth Proportional to 494,831.30, 742,246.95 and 214,895.30

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Solution

The fourth proportional to 494,831.30, 742,246.95 and 214,895.30 is: 322,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,831.30 : 742,246.95 = 214,895.30 : x
  2. Step 2: Convert to fraction form
    494,831.30/742,246.95 = 214,895.30/x
  3. Step 3: Cross multiply
    494,831.30x = 742,246.95 × 214,895.30
  4. Step 4: Simplify right side
    494,831.30x = 159,505,380,994.34
  5. Step 5: Solve for x
    x = 159,505,380,994.34/494,831.30
  6. Step 6: Final answer
    x = 322,342.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.