Home / 707,832.12-1,062,184.50-287,111.64

Finding the Fourth Proportional to 707,832.12, 1,062,184.50 and 287,111.64

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Solution

The fourth proportional to 707,832.12, 1,062,184.50 and 287,111.64 is: 430,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,832.12 : 1,062,184.50 = 287,111.64 : x
  2. Step 2: Convert to fraction form
    707,832.12/1,062,184.50 = 287,111.64/x
  3. Step 3: Cross multiply
    707,832.12x = 1,062,184.50 × 287,111.64
  4. Step 4: Simplify right side
    707,832.12x = 304,965,533,777.58
  5. Step 5: Solve for x
    x = 304,965,533,777.58/707,832.12
  6. Step 6: Final answer
    x = 430,844.44

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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.