Home / 1,567,140.70-2,351,488.65-620,542.30

Finding the Fourth Proportional to 1,567,140.70, 2,351,488.65 and 620,542.30

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Solution

The fourth proportional to 1,567,140.70, 2,351,488.65 and 620,542.30 is: 931,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,140.70 : 2,351,488.65 = 620,542.30 : x
  2. Step 2: Convert to fraction form
    1,567,140.70/2,351,488.65 = 620,542.30/x
  3. Step 3: Cross multiply
    1,567,140.70x = 2,351,488.65 × 620,542.30
  4. Step 4: Simplify right side
    1,567,140.70x = 1,459,198,175,294.90
  5. Step 5: Solve for x
    x = 1,459,198,175,294.90/1,567,140.70
  6. Step 6: Final answer
    x = 931,121.36

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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.