Home / 682,581.68-941,897.40-380,795.12

Finding the Fourth Proportional to 682,581.68, 941,897.40 and 380,795.12

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Solution

The fourth proportional to 682,581.68, 941,897.40 and 380,795.12 is: 525,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,581.68 : 941,897.40 = 380,795.12 : x
  2. Step 2: Convert to fraction form
    682,581.68/941,897.40 = 380,795.12/x
  3. Step 3: Cross multiply
    682,581.68x = 941,897.40 × 380,795.12
  4. Step 4: Simplify right side
    682,581.68x = 358,669,933,460.69
  5. Step 5: Solve for x
    x = 358,669,933,460.69/682,581.68
  6. Step 6: Final answer
    x = 525,460.83

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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.