Home / 682,546.15-942,101.04-396,158.50

Finding the Fourth Proportional to 682,546.15, 942,101.04 and 396,158.50

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Solution

The fourth proportional to 682,546.15, 942,101.04 and 396,158.50 is: 546,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,546.15 : 942,101.04 = 396,158.50 : x
  2. Step 2: Convert to fraction form
    682,546.15/942,101.04 = 396,158.50/x
  3. Step 3: Cross multiply
    682,546.15x = 942,101.04 × 396,158.50
  4. Step 4: Simplify right side
    682,546.15x = 373,221,334,854.84
  5. Step 5: Solve for x
    x = 373,221,334,854.84/682,546.15
  6. Step 6: Final answer
    x = 546,807.47

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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.