Home / 1,727,861.60-2,589,605.40-661,480.40

Finding the Fourth Proportional to 1,727,861.60, 2,589,605.40 and 661,480.40

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Solution

The fourth proportional to 1,727,861.60, 2,589,605.40 and 661,480.40 is: 991,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,861.60 : 2,589,605.40 = 661,480.40 : x
  2. Step 2: Convert to fraction form
    1,727,861.60/2,589,605.40 = 661,480.40/x
  3. Step 3: Cross multiply
    1,727,861.60x = 2,589,605.40 × 661,480.40
  4. Step 4: Simplify right side
    1,727,861.60x = 1,712,973,215,834.16
  5. Step 5: Solve for x
    x = 1,712,973,215,834.16/1,727,861.60
  6. Step 6: Final answer
    x = 991,383.35

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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.