Home / 1,373,004.70-2,059,660.65-426,367.90

Finding the Fourth Proportional to 1,373,004.70, 2,059,660.65 and 426,367.90

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Solution

The fourth proportional to 1,373,004.70, 2,059,660.65 and 426,367.90 is: 639,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,004.70 : 2,059,660.65 = 426,367.90 : x
  2. Step 2: Convert to fraction form
    1,373,004.70/2,059,660.65 = 426,367.90/x
  3. Step 3: Cross multiply
    1,373,004.70x = 2,059,660.65 × 426,367.90
  4. Step 4: Simplify right side
    1,373,004.70x = 878,173,186,053.14
  5. Step 5: Solve for x
    x = 878,173,186,053.14/1,373,004.70
  6. Step 6: Final answer
    x = 639,599.55

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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.