Home / 816,181.55-1,126,316.19-453,605.39

Finding the Fourth Proportional to 816,181.55, 1,126,316.19 and 453,605.39

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Solution

The fourth proportional to 816,181.55, 1,126,316.19 and 453,605.39 is: 625,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,181.55 : 1,126,316.19 = 453,605.39 : x
  2. Step 2: Convert to fraction form
    816,181.55/1,126,316.19 = 453,605.39/x
  3. Step 3: Cross multiply
    816,181.55x = 1,126,316.19 × 453,605.39
  4. Step 4: Simplify right side
    816,181.55x = 510,903,086,728.66
  5. Step 5: Solve for x
    x = 510,903,086,728.66/816,181.55
  6. Step 6: Final answer
    x = 625,967.46

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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.