Home / 1,639,725.22-2,262,824.76-914,619.90

Finding the Fourth Proportional to 1,639,725.22, 2,262,824.76 and 914,619.90

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Solution

The fourth proportional to 1,639,725.22, 2,262,824.76 and 914,619.90 is: 1,262,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,725.22 : 2,262,824.76 = 914,619.90 : x
  2. Step 2: Convert to fraction form
    1,639,725.22/2,262,824.76 = 914,619.90/x
  3. Step 3: Cross multiply
    1,639,725.22x = 2,262,824.76 × 914,619.90
  4. Step 4: Simplify right side
    1,639,725.22x = 2,069,624,562,479.40
  5. Step 5: Solve for x
    x = 2,069,624,562,479.40/1,639,725.22
  6. Step 6: Final answer
    x = 1,262,177.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.