Home / 826,614.78-1,140,727.95-464,039.34

Finding the Fourth Proportional to 826,614.78, 1,140,727.95 and 464,039.34

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Solution

The fourth proportional to 826,614.78, 1,140,727.95 and 464,039.34 is: 640,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,614.78 : 1,140,727.95 = 464,039.34 : x
  2. Step 2: Convert to fraction form
    826,614.78/1,140,727.95 = 464,039.34/x
  3. Step 3: Cross multiply
    826,614.78x = 1,140,727.95 × 464,039.34
  4. Step 4: Simplify right side
    826,614.78x = 529,342,645,037.55
  5. Step 5: Solve for x
    x = 529,342,645,037.55/826,614.78
  6. Step 6: Final answer
    x = 640,374.04

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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.