Home / 826,685.06-1,140,746.63-464,025.78

Finding the Fourth Proportional to 826,685.06, 1,140,746.63 and 464,025.78

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Solution

The fourth proportional to 826,685.06, 1,140,746.63 and 464,025.78 is: 640,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,685.06 : 1,140,746.63 = 464,025.78 : x
  2. Step 2: Convert to fraction form
    826,685.06/1,140,746.63 = 464,025.78/x
  3. Step 3: Cross multiply
    826,685.06x = 1,140,746.63 × 464,025.78
  4. Step 4: Simplify right side
    826,685.06x = 529,335,842,447.99
  5. Step 5: Solve for x
    x = 529,335,842,447.99/826,685.06
  6. Step 6: Final answer
    x = 640,311.37

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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.