Home / 822,182.08-1,134,615.82-459,621.22

Finding the Fourth Proportional to 822,182.08, 1,134,615.82 and 459,621.22

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Solution

The fourth proportional to 822,182.08, 1,134,615.82 and 459,621.22 is: 634,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,182.08 : 1,134,615.82 = 459,621.22 : x
  2. Step 2: Convert to fraction form
    822,182.08/1,134,615.82 = 459,621.22/x
  3. Step 3: Cross multiply
    822,182.08x = 1,134,615.82 × 459,621.22
  4. Step 4: Simplify right side
    822,182.08x = 521,493,507,419.70
  5. Step 5: Solve for x
    x = 521,493,507,419.70/822,182.08
  6. Step 6: Final answer
    x = 634,279.83

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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.