Home / 824,788.22-1,235,571.71-391,889.64

Finding the Fourth Proportional to 824,788.22, 1,235,571.71 and 391,889.64

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Solution

The fourth proportional to 824,788.22, 1,235,571.71 and 391,889.64 is: 587,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,788.22 : 1,235,571.71 = 391,889.64 : x
  2. Step 2: Convert to fraction form
    824,788.22/1,235,571.71 = 391,889.64/x
  3. Step 3: Cross multiply
    824,788.22x = 1,235,571.71 × 391,889.64
  4. Step 4: Simplify right side
    824,788.22x = 484,207,750,666.64
  5. Step 5: Solve for x
    x = 484,207,750,666.64/824,788.22
  6. Step 6: Final answer
    x = 587,069.19

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1.5x scale

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.