Home / 938,360.80-1,296,014.07-617,503.30

Finding the Fourth Proportional to 938,360.80, 1,296,014.07 and 617,503.30

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Solution

The fourth proportional to 938,360.80, 1,296,014.07 and 617,503.30 is: 852,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,360.80 : 1,296,014.07 = 617,503.30 : x
  2. Step 2: Convert to fraction form
    938,360.80/1,296,014.07 = 617,503.30/x
  3. Step 3: Cross multiply
    938,360.80x = 1,296,014.07 × 617,503.30
  4. Step 4: Simplify right side
    938,360.80x = 800,292,964,147.03
  5. Step 5: Solve for x
    x = 800,292,964,147.03/938,360.80
  6. Step 6: Final answer
    x = 852,862.74

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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.