Home / 826,828.22-1,141,034.91-464,330.54

Finding the Fourth Proportional to 826,828.22, 1,141,034.91 and 464,330.54

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Solution

The fourth proportional to 826,828.22, 1,141,034.91 and 464,330.54 is: 640,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,828.22 : 1,141,034.91 = 464,330.54 : x
  2. Step 2: Convert to fraction form
    826,828.22/1,141,034.91 = 464,330.54/x
  3. Step 3: Cross multiply
    826,828.22x = 1,141,034.91 × 464,330.54
  4. Step 4: Simplify right side
    826,828.22x = 529,817,355,919.15
  5. Step 5: Solve for x
    x = 529,817,355,919.15/826,828.22
  6. Step 6: Final answer
    x = 640,782.87

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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.