Home / 1,415,253.36-1,951,769.61-931,639.62

Finding the Fourth Proportional to 1,415,253.36, 1,951,769.61 and 931,639.62

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Solution

The fourth proportional to 1,415,253.36, 1,951,769.61 and 931,639.62 is: 1,284,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,253.36 : 1,951,769.61 = 931,639.62 : x
  2. Step 2: Convert to fraction form
    1,415,253.36/1,951,769.61 = 931,639.62/x
  3. Step 3: Cross multiply
    1,415,253.36x = 1,951,769.61 × 931,639.62
  4. Step 4: Simplify right side
    1,415,253.36x = 1,818,345,897,787.95
  5. Step 5: Solve for x
    x = 1,818,345,897,787.95/1,415,253.36
  6. Step 6: Final answer
    x = 1,284,820.05

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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.