Home / 809,652.69-1,117,419.23-470,120.94

Finding the Fourth Proportional to 809,652.69, 1,117,419.23 and 470,120.94

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Solution

The fourth proportional to 809,652.69, 1,117,419.23 and 470,120.94 is: 648,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,652.69 : 1,117,419.23 = 470,120.94 : x
  2. Step 2: Convert to fraction form
    809,652.69/1,117,419.23 = 470,120.94/x
  3. Step 3: Cross multiply
    809,652.69x = 1,117,419.23 × 470,120.94
  4. Step 4: Simplify right side
    809,652.69x = 525,322,178,781.68
  5. Step 5: Solve for x
    x = 525,322,178,781.68/809,652.69
  6. Step 6: Final answer
    x = 648,824.10

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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.