Home / 691,764.52-1,037,677.88-211,957.18

Finding the Fourth Proportional to 691,764.52, 1,037,677.88 and 211,957.18

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Solution

The fourth proportional to 691,764.52, 1,037,677.88 and 211,957.18 is: 317,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,764.52 : 1,037,677.88 = 211,957.18 : x
  2. Step 2: Convert to fraction form
    691,764.52/1,037,677.88 = 211,957.18/x
  3. Step 3: Cross multiply
    691,764.52x = 1,037,677.88 × 211,957.18
  4. Step 4: Simplify right side
    691,764.52x = 219,943,277,193.18
  5. Step 5: Solve for x
    x = 219,943,277,193.18/691,764.52
  6. Step 6: Final answer
    x = 317,945.30

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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.