Home / 744,143.04-1,116,214.56-218,831.04

Finding the Fourth Proportional to 744,143.04, 1,116,214.56 and 218,831.04

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Solution

The fourth proportional to 744,143.04, 1,116,214.56 and 218,831.04 is: 328,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,143.04 : 1,116,214.56 = 218,831.04 : x
  2. Step 2: Convert to fraction form
    744,143.04/1,116,214.56 = 218,831.04/x
  3. Step 3: Cross multiply
    744,143.04x = 1,116,214.56 × 218,831.04
  4. Step 4: Simplify right side
    744,143.04x = 244,262,393,027.94
  5. Step 5: Solve for x
    x = 244,262,393,027.94/744,143.04
  6. Step 6: Final answer
    x = 328,246.56

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Double scale
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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.