Home / 938,387.72-1,296,051.08-617,530.11

Finding the Fourth Proportional to 938,387.72, 1,296,051.08 and 617,530.11

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Solution

The fourth proportional to 938,387.72, 1,296,051.08 and 617,530.11 is: 852,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,387.72 : 1,296,051.08 = 617,530.11 : x
  2. Step 2: Convert to fraction form
    938,387.72/1,296,051.08 = 617,530.11/x
  3. Step 3: Cross multiply
    938,387.72x = 1,296,051.08 × 617,530.11
  4. Step 4: Simplify right side
    938,387.72x = 800,350,562,910.37
  5. Step 5: Solve for x
    x = 800,350,562,910.37/938,387.72
  6. Step 6: Final answer
    x = 852,899.66

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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.