Home / 777,874.40-1,166,811.60-695,205.80

Finding the Fourth Proportional to 777,874.40, 1,166,811.60 and 695,205.80

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Solution

The fourth proportional to 777,874.40, 1,166,811.60 and 695,205.80 is: 1,042,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,874.40 : 1,166,811.60 = 695,205.80 : x
  2. Step 2: Convert to fraction form
    777,874.40/1,166,811.60 = 695,205.80/x
  3. Step 3: Cross multiply
    777,874.40x = 1,166,811.60 × 695,205.80
  4. Step 4: Simplify right side
    777,874.40x = 811,174,191,827.28
  5. Step 5: Solve for x
    x = 811,174,191,827.28/777,874.40
  6. Step 6: Final answer
    x = 1,042,808.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.