Home / 947,230.41-1,419,888.21-407,838.51

Finding the Fourth Proportional to 947,230.41, 1,419,888.21 and 407,838.51

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Solution

The fourth proportional to 947,230.41, 1,419,888.21 and 407,838.51 is: 611,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,230.41 : 1,419,888.21 = 407,838.51 : x
  2. Step 2: Convert to fraction form
    947,230.41/1,419,888.21 = 407,838.51/x
  3. Step 3: Cross multiply
    947,230.41x = 1,419,888.21 × 407,838.51
  4. Step 4: Simplify right side
    947,230.41x = 579,085,091,932.97
  5. Step 5: Solve for x
    x = 579,085,091,932.97/947,230.41
  6. Step 6: Final answer
    x = 611,345.55

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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.