Home / 1,381,795.71-2,072,693.60-539,756.97

Finding the Fourth Proportional to 1,381,795.71, 2,072,693.60 and 539,756.97

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Solution

The fourth proportional to 1,381,795.71, 2,072,693.60 and 539,756.97 is: 809,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,795.71 : 2,072,693.60 = 539,756.97 : x
  2. Step 2: Convert to fraction form
    1,381,795.71/2,072,693.60 = 539,756.97/x
  3. Step 3: Cross multiply
    1,381,795.71x = 2,072,693.60 × 539,756.97
  4. Step 4: Simplify right side
    1,381,795.71x = 1,118,750,814,575.61
  5. Step 5: Solve for x
    x = 1,118,750,814,575.61/1,381,795.71
  6. Step 6: Final answer
    x = 809,635.47

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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.