Home / 845,074.87-1,166,193.39-457,882.72

Finding the Fourth Proportional to 845,074.87, 1,166,193.39 and 457,882.72

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Solution

The fourth proportional to 845,074.87, 1,166,193.39 and 457,882.72 is: 631,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,074.87 : 1,166,193.39 = 457,882.72 : x
  2. Step 2: Convert to fraction form
    845,074.87/1,166,193.39 = 457,882.72/x
  3. Step 3: Cross multiply
    845,074.87x = 1,166,193.39 × 457,882.72
  4. Step 4: Simplify right side
    845,074.87x = 533,979,801,459.22
  5. Step 5: Solve for x
    x = 533,979,801,459.22/845,074.87
  6. Step 6: Final answer
    x = 631,872.77

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Double scale
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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.