Home / 1,170,999.45-1,615,981.86-654,772.01

Finding the Fourth Proportional to 1,170,999.45, 1,615,981.86 and 654,772.01

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Solution

The fourth proportional to 1,170,999.45, 1,615,981.86 and 654,772.01 is: 903,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,999.45 : 1,615,981.86 = 654,772.01 : x
  2. Step 2: Convert to fraction form
    1,170,999.45/1,615,981.86 = 654,772.01/x
  3. Step 3: Cross multiply
    1,170,999.45x = 1,615,981.86 × 654,772.01
  4. Step 4: Simplify right side
    1,170,999.45x = 1,058,099,682,515.83
  5. Step 5: Solve for x
    x = 1,058,099,682,515.83/1,170,999.45
  6. Step 6: Final answer
    x = 903,586.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.