Home / 767,036.88-1,057,679.64-522,180

Finding the Fourth Proportional to 767,036.88, 1,057,679.64 and 522,180

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Solution

The fourth proportional to 767,036.88, 1,057,679.64 and 522,180 is: 720,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,036.88 : 1,057,679.64 = 522,180 : x
  2. Step 2: Convert to fraction form
    767,036.88/1,057,679.64 = 522,180/x
  3. Step 3: Cross multiply
    767,036.88x = 1,057,679.64 × 522,180
  4. Step 4: Simplify right side
    767,036.88x = 552,299,154,415.20
  5. Step 5: Solve for x
    x = 552,299,154,415.20/767,036.88
  6. Step 6: Final answer
    x = 720,042.50

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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.