Home / 827,669.76-1,142,147.48-483,537.60

Finding the Fourth Proportional to 827,669.76, 1,142,147.48 and 483,537.60

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Solution

The fourth proportional to 827,669.76, 1,142,147.48 and 483,537.60 is: 667,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,669.76 : 1,142,147.48 = 483,537.60 : x
  2. Step 2: Convert to fraction form
    827,669.76/1,142,147.48 = 483,537.60/x
  3. Step 3: Cross multiply
    827,669.76x = 1,142,147.48 × 483,537.60
  4. Step 4: Simplify right side
    827,669.76x = 552,271,251,325.25
  5. Step 5: Solve for x
    x = 552,271,251,325.25/827,669.76
  6. Step 6: Final answer
    x = 667,260.40

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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.