Home / 1,777,201.76-2,665,796.80-429,364.37

Finding the Fourth Proportional to 1,777,201.76, 2,665,796.80 and 429,364.37

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Solution

The fourth proportional to 1,777,201.76, 2,665,796.80 and 429,364.37 is: 644,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,201.76 : 2,665,796.80 = 429,364.37 : x
  2. Step 2: Convert to fraction form
    1,777,201.76/2,665,796.80 = 429,364.37/x
  3. Step 3: Cross multiply
    1,777,201.76x = 2,665,796.80 × 429,364.37
  4. Step 4: Simplify right side
    1,777,201.76x = 1,144,598,154,329.12
  5. Step 5: Solve for x
    x = 1,144,598,154,329.12/1,777,201.76
  6. Step 6: Final answer
    x = 644,045.14

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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.