Home / 1,276,670.96-1,761,752.92-695,881.31

Finding the Fourth Proportional to 1,276,670.96, 1,761,752.92 and 695,881.31

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Solution

The fourth proportional to 1,276,670.96, 1,761,752.92 and 695,881.31 is: 960,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,670.96 : 1,761,752.92 = 695,881.31 : x
  2. Step 2: Convert to fraction form
    1,276,670.96/1,761,752.92 = 695,881.31/x
  3. Step 3: Cross multiply
    1,276,670.96x = 1,761,752.92 × 695,881.31
  4. Step 4: Simplify right side
    1,276,670.96x = 1,225,970,929,865.93
  5. Step 5: Solve for x
    x = 1,225,970,929,865.93/1,276,670.96
  6. Step 6: Final answer
    x = 960,287.32

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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.