Home / 810,244.16-1,118,148.64-447,676.40

Finding the Fourth Proportional to 810,244.16, 1,118,148.64 and 447,676.40

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Solution

The fourth proportional to 810,244.16, 1,118,148.64 and 447,676.40 is: 617,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,244.16 : 1,118,148.64 = 447,676.40 : x
  2. Step 2: Convert to fraction form
    810,244.16/1,118,148.64 = 447,676.40/x
  3. Step 3: Cross multiply
    810,244.16x = 1,118,148.64 × 447,676.40
  4. Step 4: Simplify right side
    810,244.16x = 500,568,757,820.10
  5. Step 5: Solve for x
    x = 500,568,757,820.10/810,244.16
  6. Step 6: Final answer
    x = 617,799.90

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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.