Home / 482,621.24-666,035.10-291,597.72

Finding the Fourth Proportional to 482,621.24, 666,035.10 and 291,597.72

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Solution

The fourth proportional to 482,621.24, 666,035.10 and 291,597.72 is: 402,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,621.24 : 666,035.10 = 291,597.72 : x
  2. Step 2: Convert to fraction form
    482,621.24/666,035.10 = 291,597.72/x
  3. Step 3: Cross multiply
    482,621.24x = 666,035.10 × 291,597.72
  4. Step 4: Simplify right side
    482,621.24x = 194,214,316,599.97
  5. Step 5: Solve for x
    x = 194,214,316,599.97/482,621.24
  6. Step 6: Final answer
    x = 402,415.61

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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.