Home / 648,629.32-973,386.88-227,905.24

Finding the Fourth Proportional to 648,629.32, 973,386.88 and 227,905.24

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Solution

The fourth proportional to 648,629.32, 973,386.88 and 227,905.24 is: 342,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,629.32 : 973,386.88 = 227,905.24 : x
  2. Step 2: Convert to fraction form
    648,629.32/973,386.88 = 227,905.24/x
  3. Step 3: Cross multiply
    648,629.32x = 973,386.88 × 227,905.24
  4. Step 4: Simplify right side
    648,629.32x = 221,839,970,499.25
  5. Step 5: Solve for x
    x = 221,839,970,499.25/648,629.32
  6. Step 6: Final answer
    x = 342,013.48

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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.