Home / 940,136.89-1,298,605.91-777,450.53

Finding the Fourth Proportional to 940,136.89, 1,298,605.91 and 777,450.53

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Solution

The fourth proportional to 940,136.89, 1,298,605.91 and 777,450.53 is: 1,073,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,136.89 : 1,298,605.91 = 777,450.53 : x
  2. Step 2: Convert to fraction form
    940,136.89/1,298,605.91 = 777,450.53/x
  3. Step 3: Cross multiply
    940,136.89x = 1,298,605.91 × 777,450.53
  4. Step 4: Simplify right side
    940,136.89x = 1,009,601,851,977.40
  5. Step 5: Solve for x
    x = 1,009,601,851,977.40/940,136.89
  6. Step 6: Final answer
    x = 1,073,888.13

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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.