Home / 1,401,359.53-1,933,876.14-756,779.68

Finding the Fourth Proportional to 1,401,359.53, 1,933,876.14 and 756,779.68

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Solution

The fourth proportional to 1,401,359.53, 1,933,876.14 and 756,779.68 is: 1,044,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,359.53 : 1,933,876.14 = 756,779.68 : x
  2. Step 2: Convert to fraction form
    1,401,359.53/1,933,876.14 = 756,779.68/x
  3. Step 3: Cross multiply
    1,401,359.53x = 1,933,876.14 × 756,779.68
  4. Step 4: Simplify right side
    1,401,359.53x = 1,463,518,166,388.84
  5. Step 5: Solve for x
    x = 1,463,518,166,388.84/1,401,359.53
  6. Step 6: Final answer
    x = 1,044,355.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.