Home / 878,072.69-1,316,164.11-574,352.45

Finding the Fourth Proportional to 878,072.69, 1,316,164.11 and 574,352.45

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Solution

The fourth proportional to 878,072.69, 1,316,164.11 and 574,352.45 is: 860,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,072.69 : 1,316,164.11 = 574,352.45 : x
  2. Step 2: Convert to fraction form
    878,072.69/1,316,164.11 = 574,352.45/x
  3. Step 3: Cross multiply
    878,072.69x = 1,316,164.11 × 574,352.45
  4. Step 4: Simplify right side
    878,072.69x = 755,942,074,599.75
  5. Step 5: Solve for x
    x = 755,942,074,599.75/878,072.69
  6. Step 6: Final answer
    x = 860,910.59

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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.