Home / 1,389,300.66-2,083,120.54-535,664.27

Finding the Fourth Proportional to 1,389,300.66, 2,083,120.54 and 535,664.27

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Solution

The fourth proportional to 1,389,300.66, 2,083,120.54 and 535,664.27 is: 803,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,300.66 : 2,083,120.54 = 535,664.27 : x
  2. Step 2: Convert to fraction form
    1,389,300.66/2,083,120.54 = 535,664.27/x
  3. Step 3: Cross multiply
    1,389,300.66x = 2,083,120.54 × 535,664.27
  4. Step 4: Simplify right side
    1,389,300.66x = 1,115,853,247,249.75
  5. Step 5: Solve for x
    x = 1,115,853,247,249.75/1,389,300.66
  6. Step 6: Final answer
    x = 803,176.22

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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.