Home / 718,942.16-1,078,643.64-344,991.44

Finding the Fourth Proportional to 718,942.16, 1,078,643.64 and 344,991.44

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Solution

The fourth proportional to 718,942.16, 1,078,643.64 and 344,991.44 is: 517,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,942.16 : 1,078,643.64 = 344,991.44 : x
  2. Step 2: Convert to fraction form
    718,942.16/1,078,643.64 = 344,991.44/x
  3. Step 3: Cross multiply
    718,942.16x = 1,078,643.64 × 344,991.44
  4. Step 4: Simplify right side
    718,942.16x = 372,122,822,610.44
  5. Step 5: Solve for x
    x = 372,122,822,610.44/718,942.16
  6. Step 6: Final answer
    x = 517,597.72

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1.5x scale

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.