Home / 639,595.26-959,305.35-190,385.46

Finding the Fourth Proportional to 639,595.26, 959,305.35 and 190,385.46

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Solution

The fourth proportional to 639,595.26, 959,305.35 and 190,385.46 is: 285,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,595.26 : 959,305.35 = 190,385.46 : x
  2. Step 2: Convert to fraction form
    639,595.26/959,305.35 = 190,385.46/x
  3. Step 3: Cross multiply
    639,595.26x = 959,305.35 × 190,385.46
  4. Step 4: Simplify right side
    639,595.26x = 182,637,790,340.21
  5. Step 5: Solve for x
    x = 182,637,790,340.21/639,595.26
  6. Step 6: Final answer
    x = 285,552.13

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1.5x scale

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.