Home / 1,207,246.60-1,811,112.90-354,316.60

Finding the Fourth Proportional to 1,207,246.60, 1,811,112.90 and 354,316.60

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Solution

The fourth proportional to 1,207,246.60, 1,811,112.90 and 354,316.60 is: 531,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,246.60 : 1,811,112.90 = 354,316.60 : x
  2. Step 2: Convert to fraction form
    1,207,246.60/1,811,112.90 = 354,316.60/x
  3. Step 3: Cross multiply
    1,207,246.60x = 1,811,112.90 × 354,316.60
  4. Step 4: Simplify right side
    1,207,246.60x = 641,707,364,944.14
  5. Step 5: Solve for x
    x = 641,707,364,944.14/1,207,246.60
  6. Step 6: Final answer
    x = 531,546.22

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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.