Home / 1,120,704.76-1,546,565.22-637,269.96

Finding the Fourth Proportional to 1,120,704.76, 1,546,565.22 and 637,269.96

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Solution

The fourth proportional to 1,120,704.76, 1,546,565.22 and 637,269.96 is: 879,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,704.76 : 1,546,565.22 = 637,269.96 : x
  2. Step 2: Convert to fraction form
    1,120,704.76/1,546,565.22 = 637,269.96/x
  3. Step 3: Cross multiply
    1,120,704.76x = 1,546,565.22 × 637,269.96
  4. Step 4: Simplify right side
    1,120,704.76x = 985,579,555,886.79
  5. Step 5: Solve for x
    x = 985,579,555,886.79/1,120,704.76
  6. Step 6: Final answer
    x = 879,428.37

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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.