Home / 772,362.45-1,158,525.45-211,396.95

Finding the Fourth Proportional to 772,362.45, 1,158,525.45 and 211,396.95

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Solution

The fourth proportional to 772,362.45, 1,158,525.45 and 211,396.95 is: 317,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,362.45 : 1,158,525.45 = 211,396.95 : x
  2. Step 2: Convert to fraction form
    772,362.45/1,158,525.45 = 211,396.95/x
  3. Step 3: Cross multiply
    772,362.45x = 1,158,525.45 × 211,396.95
  4. Step 4: Simplify right side
    772,362.45x = 244,908,746,627.38
  5. Step 5: Solve for x
    x = 244,908,746,627.38/772,362.45
  6. Step 6: Final answer
    x = 317,090.44

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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.