Home / 1,383,582.15-1,909,261.11-802,760.28

Finding the Fourth Proportional to 1,383,582.15, 1,909,261.11 and 802,760.28

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Solution

The fourth proportional to 1,383,582.15, 1,909,261.11 and 802,760.28 is: 1,107,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,582.15 : 1,909,261.11 = 802,760.28 : x
  2. Step 2: Convert to fraction form
    1,383,582.15/1,909,261.11 = 802,760.28/x
  3. Step 3: Cross multiply
    1,383,582.15x = 1,909,261.11 × 802,760.28
  4. Step 4: Simplify right side
    1,383,582.15x = 1,532,678,983,256.71
  5. Step 5: Solve for x
    x = 1,532,678,983,256.71/1,383,582.15
  6. Step 6: Final answer
    x = 1,107,761.46

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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.