Home / 1,126,091.43-1,688,841.90-416,322.45

Finding the Fourth Proportional to 1,126,091.43, 1,688,841.90 and 416,322.45

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Solution

The fourth proportional to 1,126,091.43, 1,688,841.90 and 416,322.45 is: 624,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,091.43 : 1,688,841.90 = 416,322.45 : x
  2. Step 2: Convert to fraction form
    1,126,091.43/1,688,841.90 = 416,322.45/x
  3. Step 3: Cross multiply
    1,126,091.43x = 1,688,841.90 × 416,322.45
  4. Step 4: Simplify right side
    1,126,091.43x = 703,102,797,470.66
  5. Step 5: Solve for x
    x = 703,102,797,470.66/1,126,091.43
  6. Step 6: Final answer
    x = 624,374.52

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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.