Home / 1,393,020.03-2,089,530.51-919,594.68

Finding the Fourth Proportional to 1,393,020.03, 2,089,530.51 and 919,594.68

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Solution

The fourth proportional to 1,393,020.03, 2,089,530.51 and 919,594.68 is: 1,379,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,020.03 : 2,089,530.51 = 919,594.68 : x
  2. Step 2: Convert to fraction form
    1,393,020.03/2,089,530.51 = 919,594.68/x
  3. Step 3: Cross multiply
    1,393,020.03x = 2,089,530.51 × 919,594.68
  4. Step 4: Simplify right side
    1,393,020.03x = 1,921,521,140,693.69
  5. Step 5: Solve for x
    x = 1,921,521,140,693.69/1,393,020.03
  6. Step 6: Final answer
    x = 1,379,392.33

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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.