Home / 810,151.64-1,118,005.64-447,575.56

Finding the Fourth Proportional to 810,151.64, 1,118,005.64 and 447,575.56

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Solution

The fourth proportional to 810,151.64, 1,118,005.64 and 447,575.56 is: 617,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,151.64 : 1,118,005.64 = 447,575.56 : x
  2. Step 2: Convert to fraction form
    810,151.64/1,118,005.64 = 447,575.56/x
  3. Step 3: Cross multiply
    810,151.64x = 1,118,005.64 × 447,575.56
  4. Step 4: Simplify right side
    810,151.64x = 500,392,000,406.16
  5. Step 5: Solve for x
    x = 500,392,000,406.16/810,151.64
  6. Step 6: Final answer
    x = 617,652.27

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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.