Home / 776,456.33-1,071,134.10-500,741.44

Finding the Fourth Proportional to 776,456.33, 1,071,134.10 and 500,741.44

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Solution

The fourth proportional to 776,456.33, 1,071,134.10 and 500,741.44 is: 690,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,456.33 : 1,071,134.10 = 500,741.44 : x
  2. Step 2: Convert to fraction form
    776,456.33/1,071,134.10 = 500,741.44/x
  3. Step 3: Cross multiply
    776,456.33x = 1,071,134.10 × 500,741.44
  4. Step 4: Simplify right side
    776,456.33x = 536,361,233,006.02
  5. Step 5: Solve for x
    x = 536,361,233,006.02/776,456.33
  6. Step 6: Final answer
    x = 690,780.94

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1.5x scale

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.