Home / 818,034.01-1,227,611.55-285,555.13

Finding the Fourth Proportional to 818,034.01, 1,227,611.55 and 285,555.13

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Solution

The fourth proportional to 818,034.01, 1,227,611.55 and 285,555.13 is: 428,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,034.01 : 1,227,611.55 = 285,555.13 : x
  2. Step 2: Convert to fraction form
    818,034.01/1,227,611.55 = 285,555.13/x
  3. Step 3: Cross multiply
    818,034.01x = 1,227,611.55 × 285,555.13
  4. Step 4: Simplify right side
    818,034.01x = 350,550,775,749.75
  5. Step 5: Solve for x
    x = 350,550,775,749.75/818,034.01
  6. Step 6: Final answer
    x = 428,528.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.