Home / 1,194,900.90-1,792,606.80-385,331.42

Finding the Fourth Proportional to 1,194,900.90, 1,792,606.80 and 385,331.42

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Solution

The fourth proportional to 1,194,900.90, 1,792,606.80 and 385,331.42 is: 578,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,900.90 : 1,792,606.80 = 385,331.42 : x
  2. Step 2: Convert to fraction form
    1,194,900.90/1,792,606.80 = 385,331.42/x
  3. Step 3: Cross multiply
    1,194,900.90x = 1,792,606.80 × 385,331.42
  4. Step 4: Simplify right side
    1,194,900.90x = 690,747,718,345.94
  5. Step 5: Solve for x
    x = 690,747,718,345.94/1,194,900.90
  6. Step 6: Final answer
    x = 578,079.51

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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.