Home / 840,871.08-1,161,665.82-551,170.26

Finding the Fourth Proportional to 840,871.08, 1,161,665.82 and 551,170.26

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Solution

The fourth proportional to 840,871.08, 1,161,665.82 and 551,170.26 is: 761,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,871.08 : 1,161,665.82 = 551,170.26 : x
  2. Step 2: Convert to fraction form
    840,871.08/1,161,665.82 = 551,170.26/x
  3. Step 3: Cross multiply
    840,871.08x = 1,161,665.82 × 551,170.26
  4. Step 4: Simplify right side
    840,871.08x = 640,275,652,042.51
  5. Step 5: Solve for x
    x = 640,275,652,042.51/840,871.08
  6. Step 6: Final answer
    x = 761,443.30

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1.5x scale

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.