Home / 1,412,402.10-1,947,285.44-914,800.68

Finding the Fourth Proportional to 1,412,402.10, 1,947,285.44 and 914,800.68

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Solution

The fourth proportional to 1,412,402.10, 1,947,285.44 and 914,800.68 is: 1,261,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,402.10 : 1,947,285.44 = 914,800.68 : x
  2. Step 2: Convert to fraction form
    1,412,402.10/1,947,285.44 = 914,800.68/x
  3. Step 3: Cross multiply
    1,412,402.10x = 1,947,285.44 × 914,800.68
  4. Step 4: Simplify right side
    1,412,402.10x = 1,781,378,030,355.67
  5. Step 5: Solve for x
    x = 1,781,378,030,355.67/1,412,402.10
  6. Step 6: Final answer
    x = 1,261,240.01

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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.