Home / 5,194,367.60-7,791,551.28-1,407,850.40

Finding the Fourth Proportional to 5,194,367.60, 7,791,551.28 and 1,407,850.40

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Solution

The fourth proportional to 5,194,367.60, 7,791,551.28 and 1,407,850.40 is: 2,111,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,367.60 : 7,791,551.28 = 1,407,850.40 : x
  2. Step 2: Convert to fraction form
    5,194,367.60/7,791,551.28 = 1,407,850.40/x
  3. Step 3: Cross multiply
    5,194,367.60x = 7,791,551.28 × 1,407,850.40
  4. Step 4: Simplify right side
    5,194,367.60x = 10,969,338,586,168.51
  5. Step 5: Solve for x
    x = 10,969,338,586,168.51/5,194,367.60
  6. Step 6: Final answer
    x = 2,111,775.57

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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.