Home / 1,102,409.90-1,653,828.08-382,777.55

Finding the Fourth Proportional to 1,102,409.90, 1,653,828.08 and 382,777.55

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Solution

The fourth proportional to 1,102,409.90, 1,653,828.08 and 382,777.55 is: 574,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,409.90 : 1,653,828.08 = 382,777.55 : x
  2. Step 2: Convert to fraction form
    1,102,409.90/1,653,828.08 = 382,777.55/x
  3. Step 3: Cross multiply
    1,102,409.90x = 1,653,828.08 × 382,777.55
  4. Step 4: Simplify right side
    1,102,409.90x = 633,048,258,755.56
  5. Step 5: Solve for x
    x = 633,048,258,755.56/1,102,409.90
  6. Step 6: Final answer
    x = 574,240.36

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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.