Home / 907,310.40-1,360,965.60-739,348.80

Finding the Fourth Proportional to 907,310.40, 1,360,965.60 and 739,348.80

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Solution

The fourth proportional to 907,310.40, 1,360,965.60 and 739,348.80 is: 1,109,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,310.40 : 1,360,965.60 = 739,348.80 : x
  2. Step 2: Convert to fraction form
    907,310.40/1,360,965.60 = 739,348.80/x
  3. Step 3: Cross multiply
    907,310.40x = 1,360,965.60 × 739,348.80
  4. Step 4: Simplify right side
    907,310.40x = 1,006,228,283,201.28
  5. Step 5: Solve for x
    x = 1,006,228,283,201.28/907,310.40
  6. Step 6: Final answer
    x = 1,109,023.20

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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.