Home / 879,544.25-1,213,145.35-807,180.82

Finding the Fourth Proportional to 879,544.25, 1,213,145.35 and 807,180.82

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Solution

The fourth proportional to 879,544.25, 1,213,145.35 and 807,180.82 is: 1,113,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,544.25 : 1,213,145.35 = 807,180.82 : x
  2. Step 2: Convert to fraction form
    879,544.25/1,213,145.35 = 807,180.82/x
  3. Step 3: Cross multiply
    879,544.25x = 1,213,145.35 × 807,180.82
  4. Step 4: Simplify right side
    879,544.25x = 979,227,662,574.39
  5. Step 5: Solve for x
    x = 979,227,662,574.39/879,544.25
  6. Step 6: Final answer
    x = 1,113,335.30

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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.