Home / 661,848.85-993,053.27-361,979.35

Finding the Fourth Proportional to 661,848.85, 993,053.27 and 361,979.35

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Solution

The fourth proportional to 661,848.85, 993,053.27 and 361,979.35 is: 543,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,848.85 : 993,053.27 = 361,979.35 : x
  2. Step 2: Convert to fraction form
    661,848.85/993,053.27 = 361,979.35/x
  3. Step 3: Cross multiply
    661,848.85x = 993,053.27 × 361,979.35
  4. Step 4: Simplify right side
    661,848.85x = 359,464,775,380.08
  5. Step 5: Solve for x
    x = 359,464,775,380.08/661,848.85
  6. Step 6: Final answer
    x = 543,122.16

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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.