Home / 1,105,583.56-1,658,521.26-385,938.22

Finding the Fourth Proportional to 1,105,583.56, 1,658,521.26 and 385,938.22

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Solution

The fourth proportional to 1,105,583.56, 1,658,521.26 and 385,938.22 is: 578,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,583.56 : 1,658,521.26 = 385,938.22 : x
  2. Step 2: Convert to fraction form
    1,105,583.56/1,658,521.26 = 385,938.22/x
  3. Step 3: Cross multiply
    1,105,583.56x = 1,658,521.26 × 385,938.22
  4. Step 4: Simplify right side
    1,105,583.56x = 640,086,740,986.87
  5. Step 5: Solve for x
    x = 640,086,740,986.87/1,105,583.56
  6. Step 6: Final answer
    x = 578,958.27

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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.