Home / 943,942.28-1,302,607.50-514,211.36

Finding the Fourth Proportional to 943,942.28, 1,302,607.50 and 514,211.36

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Solution

The fourth proportional to 943,942.28, 1,302,607.50 and 514,211.36 is: 709,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,942.28 : 1,302,607.50 = 514,211.36 : x
  2. Step 2: Convert to fraction form
    943,942.28/1,302,607.50 = 514,211.36/x
  3. Step 3: Cross multiply
    943,942.28x = 1,302,607.50 × 514,211.36
  4. Step 4: Simplify right side
    943,942.28x = 669,815,574,121.20
  5. Step 5: Solve for x
    x = 669,815,574,121.20/943,942.28
  6. Step 6: Final answer
    x = 709,593.78

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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.