Home / 1,177,522.89-1,625,020.79-661,367.60

Finding the Fourth Proportional to 1,177,522.89, 1,625,020.79 and 661,367.60

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Solution

The fourth proportional to 1,177,522.89, 1,625,020.79 and 661,367.60 is: 912,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,522.89 : 1,625,020.79 = 661,367.60 : x
  2. Step 2: Convert to fraction form
    1,177,522.89/1,625,020.79 = 661,367.60/x
  3. Step 3: Cross multiply
    1,177,522.89x = 1,625,020.79 × 661,367.60
  4. Step 4: Simplify right side
    1,177,522.89x = 1,074,736,088,400.46
  5. Step 5: Solve for x
    x = 1,074,736,088,400.46/1,177,522.89
  6. Step 6: Final answer
    x = 912,709.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.