Home / 1,126,930.16-1,690,413.77-317,334.05

Finding the Fourth Proportional to 1,126,930.16, 1,690,413.77 and 317,334.05

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Solution

The fourth proportional to 1,126,930.16, 1,690,413.77 and 317,334.05 is: 476,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,930.16 : 1,690,413.77 = 317,334.05 : x
  2. Step 2: Convert to fraction form
    1,126,930.16/1,690,413.77 = 317,334.05/x
  3. Step 3: Cross multiply
    1,126,930.16x = 1,690,413.77 × 317,334.05
  4. Step 4: Simplify right side
    1,126,930.16x = 536,425,847,809.87
  5. Step 5: Solve for x
    x = 536,425,847,809.87/1,126,930.16
  6. Step 6: Final answer
    x = 476,006.29

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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.