Home / 911,928.59-1,367,963.51-304,719.01

Finding the Fourth Proportional to 911,928.59, 1,367,963.51 and 304,719.01

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Solution

The fourth proportional to 911,928.59, 1,367,963.51 and 304,719.01 is: 457,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,928.59 : 1,367,963.51 = 304,719.01 : x
  2. Step 2: Convert to fraction form
    911,928.59/1,367,963.51 = 304,719.01/x
  3. Step 3: Cross multiply
    911,928.59x = 1,367,963.51 × 304,719.01
  4. Step 4: Simplify right side
    911,928.59x = 416,844,481,539.82
  5. Step 5: Solve for x
    x = 416,844,481,539.82/911,928.59
  6. Step 6: Final answer
    x = 457,102.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.