Home / 693,460.80-1,040,191.20-575,265.60

Finding the Fourth Proportional to 693,460.80, 1,040,191.20 and 575,265.60

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Solution

The fourth proportional to 693,460.80, 1,040,191.20 and 575,265.60 is: 862,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,460.80 : 1,040,191.20 = 575,265.60 : x
  2. Step 2: Convert to fraction form
    693,460.80/1,040,191.20 = 575,265.60/x
  3. Step 3: Cross multiply
    693,460.80x = 1,040,191.20 × 575,265.60
  4. Step 4: Simplify right side
    693,460.80x = 598,386,214,782.72
  5. Step 5: Solve for x
    x = 598,386,214,782.72/693,460.80
  6. Step 6: Final answer
    x = 862,898.40

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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.