Home / 1,772,115.60-2,657,914.20-509,811.60

Finding the Fourth Proportional to 1,772,115.60, 2,657,914.20 and 509,811.60

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Solution

The fourth proportional to 1,772,115.60, 2,657,914.20 and 509,811.60 is: 764,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,115.60 : 2,657,914.20 = 509,811.60 : x
  2. Step 2: Convert to fraction form
    1,772,115.60/2,657,914.20 = 509,811.60/x
  3. Step 3: Cross multiply
    1,772,115.60x = 2,657,914.20 × 509,811.60
  4. Step 4: Simplify right side
    1,772,115.60x = 1,355,035,490,964.72
  5. Step 5: Solve for x
    x = 1,355,035,490,964.72/1,772,115.60
  6. Step 6: Final answer
    x = 764,642.83

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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.