Home / 1,143,890.04-1,715,791.92-345,150.28

Finding the Fourth Proportional to 1,143,890.04, 1,715,791.92 and 345,150.28

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Solution

The fourth proportional to 1,143,890.04, 1,715,791.92 and 345,150.28 is: 517,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,890.04 : 1,715,791.92 = 345,150.28 : x
  2. Step 2: Convert to fraction form
    1,143,890.04/1,715,791.92 = 345,150.28/x
  3. Step 3: Cross multiply
    1,143,890.04x = 1,715,791.92 × 345,150.28
  4. Step 4: Simplify right side
    1,143,890.04x = 592,206,061,609.74
  5. Step 5: Solve for x
    x = 592,206,061,609.74/1,143,890.04
  6. Step 6: Final answer
    x = 517,712.40

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Double scale
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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.