Home / 463,210.40-694,871.63-163,629.66

Finding the Fourth Proportional to 463,210.40, 694,871.63 and 163,629.66

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Solution

The fourth proportional to 463,210.40, 694,871.63 and 163,629.66 is: 245,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,210.40 : 694,871.63 = 163,629.66 : x
  2. Step 2: Convert to fraction form
    463,210.40/694,871.63 = 163,629.66/x
  3. Step 3: Cross multiply
    463,210.40x = 694,871.63 × 163,629.66
  4. Step 4: Simplify right side
    463,210.40x = 113,701,607,742.40
  5. Step 5: Solve for x
    x = 113,701,607,742.40/463,210.40
  6. Step 6: Final answer
    x = 245,464.28

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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.