Home / 912,338.76-1,258,976.70-504,417

Finding the Fourth Proportional to 912,338.76, 1,258,976.70 and 504,417

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Solution

The fourth proportional to 912,338.76, 1,258,976.70 and 504,417 is: 696,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,338.76 : 1,258,976.70 = 504,417 : x
  2. Step 2: Convert to fraction form
    912,338.76/1,258,976.70 = 504,417/x
  3. Step 3: Cross multiply
    912,338.76x = 1,258,976.70 × 504,417
  4. Step 4: Simplify right side
    912,338.76x = 635,049,250,083.90
  5. Step 5: Solve for x
    x = 635,049,250,083.90/912,338.76
  6. Step 6: Final answer
    x = 696,067.38

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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.