Home / 692,961.47-1,039,479.46-219,683.73

Finding the Fourth Proportional to 692,961.47, 1,039,479.46 and 219,683.73

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Solution

The fourth proportional to 692,961.47, 1,039,479.46 and 219,683.73 is: 329,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,961.47 : 1,039,479.46 = 219,683.73 : x
  2. Step 2: Convert to fraction form
    692,961.47/1,039,479.46 = 219,683.73/x
  3. Step 3: Cross multiply
    692,961.47x = 1,039,479.46 × 219,683.73
  4. Step 4: Simplify right side
    692,961.47x = 228,356,725,031.19
  5. Step 5: Solve for x
    x = 228,356,725,031.19/692,961.47
  6. Step 6: Final answer
    x = 329,537.41

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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.