Home / 919,040.64-1,379,235.12-603,386.88

Finding the Fourth Proportional to 919,040.64, 1,379,235.12 and 603,386.88

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Solution

The fourth proportional to 919,040.64, 1,379,235.12 and 603,386.88 is: 905,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,040.64 : 1,379,235.12 = 603,386.88 : x
  2. Step 2: Convert to fraction form
    919,040.64/1,379,235.12 = 603,386.88/x
  3. Step 3: Cross multiply
    919,040.64x = 1,379,235.12 × 603,386.88
  4. Step 4: Simplify right side
    919,040.64x = 832,212,375,843.23
  5. Step 5: Solve for x
    x = 832,212,375,843.23/919,040.64
  6. Step 6: Final answer
    x = 905,522.93

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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.