Home / 776,865.15-1,071,217.04-531,890.22

Finding the Fourth Proportional to 776,865.15, 1,071,217.04 and 531,890.22

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Solution

The fourth proportional to 776,865.15, 1,071,217.04 and 531,890.22 is: 733,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,865.15 : 1,071,217.04 = 531,890.22 : x
  2. Step 2: Convert to fraction form
    776,865.15/1,071,217.04 = 531,890.22/x
  3. Step 3: Cross multiply
    776,865.15x = 1,071,217.04 × 531,890.22
  4. Step 4: Simplify right side
    776,865.15x = 569,769,867,073.35
  5. Step 5: Solve for x
    x = 569,769,867,073.35/776,865.15
  6. Step 6: Final answer
    x = 733,421.84

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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.