Home / 810,094.42-1,117,914.21-447,514.88

Finding the Fourth Proportional to 810,094.42, 1,117,914.21 and 447,514.88

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Solution

The fourth proportional to 810,094.42, 1,117,914.21 and 447,514.88 is: 617,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,094.42 : 1,117,914.21 = 447,514.88 : x
  2. Step 2: Convert to fraction form
    810,094.42/1,117,914.21 = 447,514.88/x
  3. Step 3: Cross multiply
    810,094.42x = 1,117,914.21 × 447,514.88
  4. Step 4: Simplify right side
    810,094.42x = 500,283,237,948.87
  5. Step 5: Solve for x
    x = 500,283,237,948.87/810,094.42
  6. Step 6: Final answer
    x = 617,561.64

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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.