Home / 1,077,839.80-1,616,759.70-446,543.80

Finding the Fourth Proportional to 1,077,839.80, 1,616,759.70 and 446,543.80

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Solution

The fourth proportional to 1,077,839.80, 1,616,759.70 and 446,543.80 is: 669,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,839.80 : 1,616,759.70 = 446,543.80 : x
  2. Step 2: Convert to fraction form
    1,077,839.80/1,616,759.70 = 446,543.80/x
  3. Step 3: Cross multiply
    1,077,839.80x = 1,616,759.70 × 446,543.80
  4. Step 4: Simplify right side
    1,077,839.80x = 721,954,020,124.86
  5. Step 5: Solve for x
    x = 721,954,020,124.86/1,077,839.80
  6. Step 6: Final answer
    x = 669,815.70

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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.