Home / 1,411,311.60-2,116,092.60-811,976.40

Finding the Fourth Proportional to 1,411,311.60, 2,116,092.60 and 811,976.40

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Solution

The fourth proportional to 1,411,311.60, 2,116,092.60 and 811,976.40 is: 1,217,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,311.60 : 2,116,092.60 = 811,976.40 : x
  2. Step 2: Convert to fraction form
    1,411,311.60/2,116,092.60 = 811,976.40/x
  3. Step 3: Cross multiply
    1,411,311.60x = 2,116,092.60 × 811,976.40
  4. Step 4: Simplify right side
    1,411,311.60x = 1,718,217,251,414.64
  5. Step 5: Solve for x
    x = 1,718,217,251,414.64/1,411,311.60
  6. Step 6: Final answer
    x = 1,217,461.30

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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.