Home / 809,457.19-1,117,052.34-446,881.64

Finding the Fourth Proportional to 809,457.19, 1,117,052.34 and 446,881.64

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Solution

The fourth proportional to 809,457.19, 1,117,052.34 and 446,881.64 is: 616,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,457.19 : 1,117,052.34 = 446,881.64 : x
  2. Step 2: Convert to fraction form
    809,457.19/1,117,052.34 = 446,881.64/x
  3. Step 3: Cross multiply
    809,457.19x = 1,117,052.34 × 446,881.64
  4. Step 4: Simplify right side
    809,457.19x = 499,190,181,665.04
  5. Step 5: Solve for x
    x = 499,190,181,665.04/809,457.19
  6. Step 6: Final answer
    x = 616,697.45

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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.