Home / 491,905.83-737,219.63-221,835.63

Finding the Fourth Proportional to 491,905.83, 737,219.63 and 221,835.63

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Solution

The fourth proportional to 491,905.83, 737,219.63 and 221,835.63 is: 332,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,905.83 : 737,219.63 = 221,835.63 : x
  2. Step 2: Convert to fraction form
    491,905.83/737,219.63 = 221,835.63/x
  3. Step 3: Cross multiply
    491,905.83x = 737,219.63 × 221,835.63
  4. Step 4: Simplify right side
    491,905.83x = 163,541,579,960.24
  5. Step 5: Solve for x
    x = 163,541,579,960.24/491,905.83
  6. Step 6: Final answer
    x = 332,465.22

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1.5x scale

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.