Home / 1,383,000.86-1,908,793.28-802,595.36

Finding the Fourth Proportional to 1,383,000.86, 1,908,793.28 and 802,595.36

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Solution

The fourth proportional to 1,383,000.86, 1,908,793.28 and 802,595.36 is: 1,107,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,000.86 : 1,908,793.28 = 802,595.36 : x
  2. Step 2: Convert to fraction form
    1,383,000.86/1,908,793.28 = 802,595.36/x
  3. Step 3: Cross multiply
    1,383,000.86x = 1,908,793.28 × 802,595.36
  4. Step 4: Simplify right side
    1,383,000.86x = 1,531,988,629,727.18
  5. Step 5: Solve for x
    x = 1,531,988,629,727.18/1,383,000.86
  6. Step 6: Final answer
    x = 1,107,727.89

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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.