Home / 764,210.00-1,146,453.36-314,685.72

Finding the Fourth Proportional to 764,210.00, 1,146,453.36 and 314,685.72

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Solution

The fourth proportional to 764,210.00, 1,146,453.36 and 314,685.72 is: 472,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,210.00 : 1,146,453.36 = 314,685.72 : x
  2. Step 2: Convert to fraction form
    764,210.00/1,146,453.36 = 314,685.72/x
  3. Step 3: Cross multiply
    764,210.00x = 1,146,453.36 × 314,685.72
  4. Step 4: Simplify right side
    764,210.00x = 360,772,493,732.32
  5. Step 5: Solve for x
    x = 360,772,493,732.32/764,210.00
  6. Step 6: Final answer
    x = 472,085.55

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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.