Home / 712,546.70-1,068,567.94-207,002.50

Finding the Fourth Proportional to 712,546.70, 1,068,567.94 and 207,002.50

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Solution

The fourth proportional to 712,546.70, 1,068,567.94 and 207,002.50 is: 310,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,546.70 : 1,068,567.94 = 207,002.50 : x
  2. Step 2: Convert to fraction form
    712,546.70/1,068,567.94 = 207,002.50/x
  3. Step 3: Cross multiply
    712,546.70x = 1,068,567.94 × 207,002.50
  4. Step 4: Simplify right side
    712,546.70x = 221,196,234,999.85
  5. Step 5: Solve for x
    x = 221,196,234,999.85/712,546.70
  6. Step 6: Final answer
    x = 310,430.51

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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.