Home / 718,555.68-1,077,830.28-186,031.44

Finding the Fourth Proportional to 718,555.68, 1,077,830.28 and 186,031.44

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Solution

The fourth proportional to 718,555.68, 1,077,830.28 and 186,031.44 is: 279,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,555.68 : 1,077,830.28 = 186,031.44 : x
  2. Step 2: Convert to fraction form
    718,555.68/1,077,830.28 = 186,031.44/x
  3. Step 3: Cross multiply
    718,555.68x = 1,077,830.28 × 186,031.44
  4. Step 4: Simplify right side
    718,555.68x = 200,510,319,064.00
  5. Step 5: Solve for x
    x = 200,510,319,064.00/718,555.68
  6. Step 6: Final answer
    x = 279,046.32

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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.