Home / 682,656.20-942,088.18-372,575.72

Finding the Fourth Proportional to 682,656.20, 942,088.18 and 372,575.72

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Solution

The fourth proportional to 682,656.20, 942,088.18 and 372,575.72 is: 514,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,656.20 : 942,088.18 = 372,575.72 : x
  2. Step 2: Convert to fraction form
    682,656.20/942,088.18 = 372,575.72/x
  3. Step 3: Cross multiply
    682,656.20x = 942,088.18 × 372,575.72
  4. Step 4: Simplify right side
    682,656.20x = 350,999,181,966.99
  5. Step 5: Solve for x
    x = 350,999,181,966.99/682,656.20
  6. Step 6: Final answer
    x = 514,166.84

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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.