Home / 1,035,580.43-1,428,364.82-691,242.75

Finding the Fourth Proportional to 1,035,580.43, 1,428,364.82 and 691,242.75

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Solution

The fourth proportional to 1,035,580.43, 1,428,364.82 and 691,242.75 is: 953,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,580.43 : 1,428,364.82 = 691,242.75 : x
  2. Step 2: Convert to fraction form
    1,035,580.43/1,428,364.82 = 691,242.75/x
  3. Step 3: Cross multiply
    1,035,580.43x = 1,428,364.82 × 691,242.75
  4. Step 4: Simplify right side
    1,035,580.43x = 987,346,826,180.06
  5. Step 5: Solve for x
    x = 987,346,826,180.06/1,035,580.43
  6. Step 6: Final answer
    x = 953,423.60

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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.