Home / 1,425,795.06-2,138,791-414,925.39

Finding the Fourth Proportional to 1,425,795.06, 2,138,791 and 414,925.39

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Solution

The fourth proportional to 1,425,795.06, 2,138,791 and 414,925.39 is: 622,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,795.06 : 2,138,791 = 414,925.39 : x
  2. Step 2: Convert to fraction form
    1,425,795.06/2,138,791 = 414,925.39/x
  3. Step 3: Cross multiply
    1,425,795.06x = 2,138,791 × 414,925.39
  4. Step 4: Simplify right side
    1,425,795.06x = 887,438,689,803.49
  5. Step 5: Solve for x
    x = 887,438,689,803.49/1,425,795.06
  6. Step 6: Final answer
    x = 622,416.72

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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.