Home / 682,552.28-942,109.52-396,164.63

Finding the Fourth Proportional to 682,552.28, 942,109.52 and 396,164.63

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Solution

The fourth proportional to 682,552.28, 942,109.52 and 396,164.63 is: 546,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,552.28 : 942,109.52 = 396,164.63 : x
  2. Step 2: Convert to fraction form
    682,552.28/942,109.52 = 396,164.63/x
  3. Step 3: Cross multiply
    682,552.28x = 942,109.52 × 396,164.63
  4. Step 4: Simplify right side
    682,552.28x = 373,230,462,718.91
  5. Step 5: Solve for x
    x = 373,230,462,718.91/682,552.28
  6. Step 6: Final answer
    x = 546,815.94

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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.