Home / 545,831.60-818,747.40-493,343.60

Finding the Fourth Proportional to 545,831.60, 818,747.40 and 493,343.60

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Solution

The fourth proportional to 545,831.60, 818,747.40 and 493,343.60 is: 740,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,831.60 : 818,747.40 = 493,343.60 : x
  2. Step 2: Convert to fraction form
    545,831.60/818,747.40 = 493,343.60/x
  3. Step 3: Cross multiply
    545,831.60x = 818,747.40 × 493,343.60
  4. Step 4: Simplify right side
    545,831.60x = 403,923,789,806.64
  5. Step 5: Solve for x
    x = 403,923,789,806.64/545,831.60
  6. Step 6: Final answer
    x = 740,015.40

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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.