Home / 976,811.80-1,465,217.70-445,370.80

Finding the Fourth Proportional to 976,811.80, 1,465,217.70 and 445,370.80

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Solution

The fourth proportional to 976,811.80, 1,465,217.70 and 445,370.80 is: 668,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,811.80 : 1,465,217.70 = 445,370.80 : x
  2. Step 2: Convert to fraction form
    976,811.80/1,465,217.70 = 445,370.80/x
  3. Step 3: Cross multiply
    976,811.80x = 1,465,217.70 × 445,370.80
  4. Step 4: Simplify right side
    976,811.80x = 652,565,179,223.16
  5. Step 5: Solve for x
    x = 652,565,179,223.16/976,811.80
  6. Step 6: Final answer
    x = 668,056.20

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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.