Home / 512,110.69-706,734.92-285,756.19

Finding the Fourth Proportional to 512,110.69, 706,734.92 and 285,756.19

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Solution

The fourth proportional to 512,110.69, 706,734.92 and 285,756.19 is: 394,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,110.69 : 706,734.92 = 285,756.19 : x
  2. Step 2: Convert to fraction form
    512,110.69/706,734.92 = 285,756.19/x
  3. Step 3: Cross multiply
    512,110.69x = 706,734.92 × 285,756.19
  4. Step 4: Simplify right side
    512,110.69x = 201,953,877,026.71
  5. Step 5: Solve for x
    x = 201,953,877,026.71/512,110.69
  6. Step 6: Final answer
    x = 394,355.91

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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.