Home / 815,957.40-1,223,936.10-798,461.40

Finding the Fourth Proportional to 815,957.40, 1,223,936.10 and 798,461.40

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Solution

The fourth proportional to 815,957.40, 1,223,936.10 and 798,461.40 is: 1,197,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,957.40 : 1,223,936.10 = 798,461.40 : x
  2. Step 2: Convert to fraction form
    815,957.40/1,223,936.10 = 798,461.40/x
  3. Step 3: Cross multiply
    815,957.40x = 1,223,936.10 × 798,461.40
  4. Step 4: Simplify right side
    815,957.40x = 977,265,731,916.54
  5. Step 5: Solve for x
    x = 977,265,731,916.54/815,957.40
  6. Step 6: Final answer
    x = 1,197,692.10

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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.