Home / 1,786,218.05-2,464,970.46-970,415.21

Finding the Fourth Proportional to 1,786,218.05, 2,464,970.46 and 970,415.21

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Solution

The fourth proportional to 1,786,218.05, 2,464,970.46 and 970,415.21 is: 1,339,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,218.05 : 2,464,970.46 = 970,415.21 : x
  2. Step 2: Convert to fraction form
    1,786,218.05/2,464,970.46 = 970,415.21/x
  3. Step 3: Cross multiply
    1,786,218.05x = 2,464,970.46 × 970,415.21
  4. Step 4: Simplify right side
    1,786,218.05x = 2,392,044,826,584.70
  5. Step 5: Solve for x
    x = 2,392,044,826,584.70/1,786,218.05
  6. Step 6: Final answer
    x = 1,339,167.31

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1.5x scale

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.