Home / 394,513.04-544,417.10-222,429.51

Finding the Fourth Proportional to 394,513.04, 544,417.10 and 222,429.51

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Solution

The fourth proportional to 394,513.04, 544,417.10 and 222,429.51 is: 306,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,513.04 : 544,417.10 = 222,429.51 : x
  2. Step 2: Convert to fraction form
    394,513.04/544,417.10 = 222,429.51/x
  3. Step 3: Cross multiply
    394,513.04x = 544,417.10 × 222,429.51
  4. Step 4: Simplify right side
    394,513.04x = 121,094,427,676.47
  5. Step 5: Solve for x
    x = 121,094,427,676.47/394,513.04
  6. Step 6: Final answer
    x = 306,946.58

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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.