Home / 826,183.88-1,140,130.64-463,606.92

Finding the Fourth Proportional to 826,183.88, 1,140,130.64 and 463,606.92

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Solution

The fourth proportional to 826,183.88, 1,140,130.64 and 463,606.92 is: 639,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,183.88 : 1,140,130.64 = 463,606.92 : x
  2. Step 2: Convert to fraction form
    826,183.88/1,140,130.64 = 463,606.92/x
  3. Step 3: Cross multiply
    826,183.88x = 1,140,130.64 × 463,606.92
  4. Step 4: Simplify right side
    826,183.88x = 528,572,454,408.03
  5. Step 5: Solve for x
    x = 528,572,454,408.03/826,183.88
  6. Step 6: Final answer
    x = 639,775.80

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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.