Home / 873,650.20-1,206,009.28-587,336.36

Finding the Fourth Proportional to 873,650.20, 1,206,009.28 and 587,336.36

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Solution

The fourth proportional to 873,650.20, 1,206,009.28 and 587,336.36 is: 810,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,650.20 : 1,206,009.28 = 587,336.36 : x
  2. Step 2: Convert to fraction form
    873,650.20/1,206,009.28 = 587,336.36/x
  3. Step 3: Cross multiply
    873,650.20x = 1,206,009.28 × 587,336.36
  4. Step 4: Simplify right side
    873,650.20x = 708,333,096,158.06
  5. Step 5: Solve for x
    x = 708,333,096,158.06/873,650.20
  6. Step 6: Final answer
    x = 810,774.27

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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.