Home / 850,521.11-1,172,104.20-608,383.28

Finding the Fourth Proportional to 850,521.11, 1,172,104.20 and 608,383.28

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Solution

The fourth proportional to 850,521.11, 1,172,104.20 and 608,383.28 is: 838,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,521.11 : 1,172,104.20 = 608,383.28 : x
  2. Step 2: Convert to fraction form
    850,521.11/1,172,104.20 = 608,383.28/x
  3. Step 3: Cross multiply
    850,521.11x = 1,172,104.20 × 608,383.28
  4. Step 4: Simplify right side
    850,521.11x = 713,088,591,837.26
  5. Step 5: Solve for x
    x = 713,088,591,837.26/850,521.11
  6. Step 6: Final answer
    x = 838,413.75

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1.5x scale

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.