Home / 776,491.92-1,164,744.36-215,570.16

Finding the Fourth Proportional to 776,491.92, 1,164,744.36 and 215,570.16

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Solution

The fourth proportional to 776,491.92, 1,164,744.36 and 215,570.16 is: 323,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,491.92 : 1,164,744.36 = 215,570.16 : x
  2. Step 2: Convert to fraction form
    776,491.92/1,164,744.36 = 215,570.16/x
  3. Step 3: Cross multiply
    776,491.92x = 1,164,744.36 × 215,570.16
  4. Step 4: Simplify right side
    776,491.92x = 251,084,128,044.30
  5. Step 5: Solve for x
    x = 251,084,128,044.30/776,491.92
  6. Step 6: Final answer
    x = 323,357.04

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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.