Home / 776,236.79-1,070,455.74-504,378.11

Finding the Fourth Proportional to 776,236.79, 1,070,455.74 and 504,378.11

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Solution

The fourth proportional to 776,236.79, 1,070,455.74 and 504,378.11 is: 695,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,236.79 : 1,070,455.74 = 504,378.11 : x
  2. Step 2: Convert to fraction form
    776,236.79/1,070,455.74 = 504,378.11/x
  3. Step 3: Cross multiply
    776,236.79x = 1,070,455.74 × 504,378.11
  4. Step 4: Simplify right side
    776,236.79x = 539,914,437,627.57
  5. Step 5: Solve for x
    x = 539,914,437,627.57/776,236.79
  6. Step 6: Final answer
    x = 695,553.79

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Double scale
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1.5x scale

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.