Home / 1,520,856-2,098,783.17-947,895.75

Finding the Fourth Proportional to 1,520,856, 2,098,783.17 and 947,895.75

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Solution

The fourth proportional to 1,520,856, 2,098,783.17 and 947,895.75 is: 1,308,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,856 : 2,098,783.17 = 947,895.75 : x
  2. Step 2: Convert to fraction form
    1,520,856/2,098,783.17 = 947,895.75/x
  3. Step 3: Cross multiply
    1,520,856x = 2,098,783.17 × 947,895.75
  4. Step 4: Simplify right side
    1,520,856x = 1,989,427,647,014.53
  5. Step 5: Solve for x
    x = 1,989,427,647,014.53/1,520,856
  6. Step 6: Final answer
    x = 1,308,097.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.