Home / 911,164.10-1,257,298.58-503,241.66

Finding the Fourth Proportional to 911,164.10, 1,257,298.58 and 503,241.66

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Solution

The fourth proportional to 911,164.10, 1,257,298.58 and 503,241.66 is: 694,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,164.10 : 1,257,298.58 = 503,241.66 : x
  2. Step 2: Convert to fraction form
    911,164.10/1,257,298.58 = 503,241.66/x
  3. Step 3: Cross multiply
    911,164.10x = 1,257,298.58 × 503,241.66
  4. Step 4: Simplify right side
    911,164.10x = 632,725,021,998.63
  5. Step 5: Solve for x
    x = 632,725,021,998.63/911,164.10
  6. Step 6: Final answer
    x = 694,413.91

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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.