Home / 826,584.91-1,140,686.62-464,009.47

Finding the Fourth Proportional to 826,584.91, 1,140,686.62 and 464,009.47

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Solution

The fourth proportional to 826,584.91, 1,140,686.62 and 464,009.47 is: 640,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,584.91 : 1,140,686.62 = 464,009.47 : x
  2. Step 2: Convert to fraction form
    826,584.91/1,140,686.62 = 464,009.47/x
  3. Step 3: Cross multiply
    826,584.91x = 1,140,686.62 × 464,009.47
  4. Step 4: Simplify right side
    826,584.91x = 529,289,393,982.29
  5. Step 5: Solve for x
    x = 529,289,393,982.29/826,584.91
  6. Step 6: Final answer
    x = 640,332.76

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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.