Home / 764,458.07-1,146,825.52-314,929.13

Finding the Fourth Proportional to 764,458.07, 1,146,825.52 and 314,929.13

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Solution

The fourth proportional to 764,458.07, 1,146,825.52 and 314,929.13 is: 472,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,458.07 : 1,146,825.52 = 314,929.13 : x
  2. Step 2: Convert to fraction form
    764,458.07/1,146,825.52 = 314,929.13/x
  3. Step 3: Cross multiply
    764,458.07x = 1,146,825.52 × 314,929.13
  4. Step 4: Simplify right side
    764,458.07x = 361,168,756,753.95
  5. Step 5: Solve for x
    x = 361,168,756,753.95/764,458.07
  6. Step 6: Final answer
    x = 472,450.71

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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.