Home / 927,536.39-1,388,204.47-528,069.90

Finding the Fourth Proportional to 927,536.39, 1,388,204.47 and 528,069.90

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Solution

The fourth proportional to 927,536.39, 1,388,204.47 and 528,069.90 is: 790,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,536.39 : 1,388,204.47 = 528,069.90 : x
  2. Step 2: Convert to fraction form
    927,536.39/1,388,204.47 = 528,069.90/x
  3. Step 3: Cross multiply
    927,536.39x = 1,388,204.47 × 528,069.90
  4. Step 4: Simplify right side
    927,536.39x = 733,068,995,652.45
  5. Step 5: Solve for x
    x = 733,068,995,652.45/927,536.39
  6. Step 6: Final answer
    x = 790,339.88

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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.