Home / 719,099.60-1,079,815.80-520,811.60

Finding the Fourth Proportional to 719,099.60, 1,079,815.80 and 520,811.60

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Solution

The fourth proportional to 719,099.60, 1,079,815.80 and 520,811.60 is: 782,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,099.60 : 1,079,815.80 = 520,811.60 : x
  2. Step 2: Convert to fraction form
    719,099.60/1,079,815.80 = 520,811.60/x
  3. Step 3: Cross multiply
    719,099.60x = 1,079,815.80 × 520,811.60
  4. Step 4: Simplify right side
    719,099.60x = 562,380,594,503.28
  5. Step 5: Solve for x
    x = 562,380,594,503.28/719,099.60
  6. Step 6: Final answer
    x = 782,062.17

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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.