Home / 822,181.89-1,134,615.56-459,621.03

Finding the Fourth Proportional to 822,181.89, 1,134,615.56 and 459,621.03

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Solution

The fourth proportional to 822,181.89, 1,134,615.56 and 459,621.03 is: 634,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,181.89 : 1,134,615.56 = 459,621.03 : x
  2. Step 2: Convert to fraction form
    822,181.89/1,134,615.56 = 459,621.03/x
  3. Step 3: Cross multiply
    822,181.89x = 1,134,615.56 × 459,621.03
  4. Step 4: Simplify right side
    822,181.89x = 521,493,172,341.23
  5. Step 5: Solve for x
    x = 521,493,172,341.23/822,181.89
  6. Step 6: Final answer
    x = 634,279.57

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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.