Home / 1,561,379.86-2,154,422.91-873,065.35

Finding the Fourth Proportional to 1,561,379.86, 2,154,422.91 and 873,065.35

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Solution

The fourth proportional to 1,561,379.86, 2,154,422.91 and 873,065.35 is: 1,204,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,379.86 : 2,154,422.91 = 873,065.35 : x
  2. Step 2: Convert to fraction form
    1,561,379.86/2,154,422.91 = 873,065.35/x
  3. Step 3: Cross multiply
    1,561,379.86x = 2,154,422.91 × 873,065.35
  4. Step 4: Simplify right side
    1,561,379.86x = 1,880,951,991,967.17
  5. Step 5: Solve for x
    x = 1,880,951,991,967.17/1,561,379.86
  6. Step 6: Final answer
    x = 1,204,672.89

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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.