Home / 1,143,899.48-1,715,992.24-345,179.72

Finding the Fourth Proportional to 1,143,899.48, 1,715,992.24 and 345,179.72

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Solution

The fourth proportional to 1,143,899.48, 1,715,992.24 and 345,179.72 is: 517,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,899.48 : 1,715,992.24 = 345,179.72 : x
  2. Step 2: Convert to fraction form
    1,143,899.48/1,715,992.24 = 345,179.72/x
  3. Step 3: Cross multiply
    1,143,899.48x = 1,715,992.24 × 345,179.72
  4. Step 4: Simplify right side
    1,143,899.48x = 592,325,720,925.37
  5. Step 5: Solve for x
    x = 592,325,720,925.37/1,143,899.48
  6. Step 6: Final answer
    x = 517,812.74

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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.