Home / 917,364.70-1,373,325.45-681,751.90

Finding the Fourth Proportional to 917,364.70, 1,373,325.45 and 681,751.90

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Solution

The fourth proportional to 917,364.70, 1,373,325.45 and 681,751.90 is: 1,020,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,364.70 : 1,373,325.45 = 681,751.90 : x
  2. Step 2: Convert to fraction form
    917,364.70/1,373,325.45 = 681,751.90/x
  3. Step 3: Cross multiply
    917,364.70x = 1,373,325.45 × 681,751.90
  4. Step 4: Simplify right side
    917,364.70x = 936,267,234,855.86
  5. Step 5: Solve for x
    x = 936,267,234,855.86/917,364.70
  6. Step 6: Final answer
    x = 1,020,605.26

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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.