Home / 917,177.80-1,374,600.30-816,867.40

Finding the Fourth Proportional to 917,177.80, 1,374,600.30 and 816,867.40

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Solution

The fourth proportional to 917,177.80, 1,374,600.30 and 816,867.40 is: 1,224,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,177.80 : 1,374,600.30 = 816,867.40 : x
  2. Step 2: Convert to fraction form
    917,177.80/1,374,600.30 = 816,867.40/x
  3. Step 3: Cross multiply
    917,177.80x = 1,374,600.30 × 816,867.40
  4. Step 4: Simplify right side
    917,177.80x = 1,122,866,173,100.22
  5. Step 5: Solve for x
    x = 1,122,866,173,100.22/917,177.80
  6. Step 6: Final answer
    x = 1,224,262.27

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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.