Home / 1,938,138.76-2,907,668.18-608,442.76

Finding the Fourth Proportional to 1,938,138.76, 2,907,668.18 and 608,442.76

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Solution

The fourth proportional to 1,938,138.76, 2,907,668.18 and 608,442.76 is: 912,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,138.76 : 2,907,668.18 = 608,442.76 : x
  2. Step 2: Convert to fraction form
    1,938,138.76/2,907,668.18 = 608,442.76/x
  3. Step 3: Cross multiply
    1,938,138.76x = 2,907,668.18 × 608,442.76
  4. Step 4: Simplify right side
    1,938,138.76x = 1,769,149,652,603.38
  5. Step 5: Solve for x
    x = 1,769,149,652,603.38/1,938,138.76
  6. Step 6: Final answer
    x = 912,808.56

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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.