Home / 1,104,704.92-1,656,386.70-720,739

Finding the Fourth Proportional to 1,104,704.92, 1,656,386.70 and 720,739

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Solution

The fourth proportional to 1,104,704.92, 1,656,386.70 and 720,739 is: 1,080,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,704.92 : 1,656,386.70 = 720,739 : x
  2. Step 2: Convert to fraction form
    1,104,704.92/1,656,386.70 = 720,739/x
  3. Step 3: Cross multiply
    1,104,704.92x = 1,656,386.70 × 720,739
  4. Step 4: Simplify right side
    1,104,704.92x = 1,193,822,493,771.30
  5. Step 5: Solve for x
    x = 1,193,822,493,771.30/1,104,704.92
  6. Step 6: Final answer
    x = 1,080,670.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.