Home / 763,958.18-1,054,200.57-441,689.05

Finding the Fourth Proportional to 763,958.18, 1,054,200.57 and 441,689.05

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Solution

The fourth proportional to 763,958.18, 1,054,200.57 and 441,689.05 is: 609,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,958.18 : 1,054,200.57 = 441,689.05 : x
  2. Step 2: Convert to fraction form
    763,958.18/1,054,200.57 = 441,689.05/x
  3. Step 3: Cross multiply
    763,958.18x = 1,054,200.57 × 441,689.05
  4. Step 4: Simplify right side
    763,958.18x = 465,628,848,272.76
  5. Step 5: Solve for x
    x = 465,628,848,272.76/763,958.18
  6. Step 6: Final answer
    x = 609,495.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.