Home / 826,447.64-1,140,410.13-463,911.38

Finding the Fourth Proportional to 826,447.64, 1,140,410.13 and 463,911.38

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Solution

The fourth proportional to 826,447.64, 1,140,410.13 and 463,911.38 is: 640,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,447.64 : 1,140,410.13 = 463,911.38 : x
  2. Step 2: Convert to fraction form
    826,447.64/1,140,410.13 = 463,911.38/x
  3. Step 3: Cross multiply
    826,447.64x = 1,140,410.13 × 463,911.38
  4. Step 4: Simplify right side
    826,447.64x = 529,049,237,174.28
  5. Step 5: Solve for x
    x = 529,049,237,174.28/826,447.64
  6. Step 6: Final answer
    x = 640,148.52

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Double scale
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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.