Home / 1,415,251.86-1,951,767.54-931,638.12

Finding the Fourth Proportional to 1,415,251.86, 1,951,767.54 and 931,638.12

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Solution

The fourth proportional to 1,415,251.86, 1,951,767.54 and 931,638.12 is: 1,284,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,251.86 : 1,951,767.54 = 931,638.12 : x
  2. Step 2: Convert to fraction form
    1,415,251.86/1,951,767.54 = 931,638.12/x
  3. Step 3: Cross multiply
    1,415,251.86x = 1,951,767.54 × 931,638.12
  4. Step 4: Simplify right side
    1,415,251.86x = 1,818,341,041,642.62
  5. Step 5: Solve for x
    x = 1,818,341,041,642.62/1,415,251.86
  6. Step 6: Final answer
    x = 1,284,817.98

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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.