Home / 1,292,759.23-1,939,508.84-440,018.77

Finding the Fourth Proportional to 1,292,759.23, 1,939,508.84 and 440,018.77

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Solution

The fourth proportional to 1,292,759.23, 1,939,508.84 and 440,018.77 is: 660,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,759.23 : 1,939,508.84 = 440,018.77 : x
  2. Step 2: Convert to fraction form
    1,292,759.23/1,939,508.84 = 440,018.77/x
  3. Step 3: Cross multiply
    1,292,759.23x = 1,939,508.84 × 440,018.77
  4. Step 4: Simplify right side
    1,292,759.23x = 853,420,294,180.93
  5. Step 5: Solve for x
    x = 853,420,294,180.93/1,292,759.23
  6. Step 6: Final answer
    x = 660,154.09

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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.