Home / 1,017,784.85-1,524,352.03-485,679.58

Finding the Fourth Proportional to 1,017,784.85, 1,524,352.03 and 485,679.58

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Solution

The fourth proportional to 1,017,784.85, 1,524,352.03 and 485,679.58 is: 727,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,784.85 : 1,524,352.03 = 485,679.58 : x
  2. Step 2: Convert to fraction form
    1,017,784.85/1,524,352.03 = 485,679.58/x
  3. Step 3: Cross multiply
    1,017,784.85x = 1,524,352.03 × 485,679.58
  4. Step 4: Simplify right side
    1,017,784.85x = 740,346,648,677.47
  5. Step 5: Solve for x
    x = 740,346,648,677.47/1,017,784.85
  6. Step 6: Final answer
    x = 727,409.78

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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.