Home / 717,181.40-1,075,888.87-211,793.49

Finding the Fourth Proportional to 717,181.40, 1,075,888.87 and 211,793.49

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Solution

The fourth proportional to 717,181.40, 1,075,888.87 and 211,793.49 is: 317,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,181.40 : 1,075,888.87 = 211,793.49 : x
  2. Step 2: Convert to fraction form
    717,181.40/1,075,888.87 = 211,793.49/x
  3. Step 3: Cross multiply
    717,181.40x = 1,075,888.87 × 211,793.49
  4. Step 4: Simplify right side
    717,181.40x = 227,866,258,099.97
  5. Step 5: Solve for x
    x = 227,866,258,099.97/717,181.40
  6. Step 6: Final answer
    x = 317,724.72

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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.