Home / 417,973.22-576,979.63-282,191.12

Finding the Fourth Proportional to 417,973.22, 576,979.63 and 282,191.12

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Solution

The fourth proportional to 417,973.22, 576,979.63 and 282,191.12 is: 389,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,973.22 : 576,979.63 = 282,191.12 : x
  2. Step 2: Convert to fraction form
    417,973.22/576,979.63 = 282,191.12/x
  3. Step 3: Cross multiply
    417,973.22x = 576,979.63 × 282,191.12
  4. Step 4: Simplify right side
    417,973.22x = 162,818,528,006.89
  5. Step 5: Solve for x
    x = 162,818,528,006.89/417,973.22
  6. Step 6: Final answer
    x = 389,542.97

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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.