Home / 1,388,470.14-2,083,157.19-630,222.66

Finding the Fourth Proportional to 1,388,470.14, 2,083,157.19 and 630,222.66

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Solution

The fourth proportional to 1,388,470.14, 2,083,157.19 and 630,222.66 is: 945,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,470.14 : 2,083,157.19 = 630,222.66 : x
  2. Step 2: Convert to fraction form
    1,388,470.14/2,083,157.19 = 630,222.66/x
  3. Step 3: Cross multiply
    1,388,470.14x = 2,083,157.19 × 630,222.66
  4. Step 4: Simplify right side
    1,388,470.14x = 1,312,852,865,479.93
  5. Step 5: Solve for x
    x = 1,312,852,865,479.93/1,388,470.14
  6. Step 6: Final answer
    x = 945,539.14

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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.