Home / 1,173,320-1,619,181.60-636,776

Finding the Fourth Proportional to 1,173,320, 1,619,181.60 and 636,776

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Solution

The fourth proportional to 1,173,320, 1,619,181.60 and 636,776 is: 878,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,320 : 1,619,181.60 = 636,776 : x
  2. Step 2: Convert to fraction form
    1,173,320/1,619,181.60 = 636,776/x
  3. Step 3: Cross multiply
    1,173,320x = 1,619,181.60 × 636,776
  4. Step 4: Simplify right side
    1,173,320x = 1,031,055,982,521.60
  5. Step 5: Solve for x
    x = 1,031,055,982,521.60/1,173,320
  6. Step 6: Final answer
    x = 878,750.88

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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.