Home / 417,965.51-576,968.98-282,183.39

Finding the Fourth Proportional to 417,965.51, 576,968.98 and 282,183.39

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Solution

The fourth proportional to 417,965.51, 576,968.98 and 282,183.39 is: 389,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,965.51 : 576,968.98 = 282,183.39 : x
  2. Step 2: Convert to fraction form
    417,965.51/576,968.98 = 282,183.39/x
  3. Step 3: Cross multiply
    417,965.51x = 576,968.98 × 282,183.39
  4. Step 4: Simplify right side
    417,965.51x = 162,811,059,816.40
  5. Step 5: Solve for x
    x = 162,811,059,816.40/417,965.51
  6. Step 6: Final answer
    x = 389,532.29

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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.