Home / 1,691,688.71-2,538,059.18-554,460.86

Finding the Fourth Proportional to 1,691,688.71, 2,538,059.18 and 554,460.86

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Solution

The fourth proportional to 1,691,688.71, 2,538,059.18 and 554,460.86 is: 831,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,688.71 : 2,538,059.18 = 554,460.86 : x
  2. Step 2: Convert to fraction form
    1,691,688.71/2,538,059.18 = 554,460.86/x
  3. Step 3: Cross multiply
    1,691,688.71x = 2,538,059.18 × 554,460.86
  4. Step 4: Simplify right side
    1,691,688.71x = 1,407,254,472,901.39
  5. Step 5: Solve for x
    x = 1,407,254,472,901.39/1,691,688.71
  6. Step 6: Final answer
    x = 831,863.73

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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.