Home / 1,171,005.45-1,615,990.14-654,778.02

Finding the Fourth Proportional to 1,171,005.45, 1,615,990.14 and 654,778.02

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Solution

The fourth proportional to 1,171,005.45, 1,615,990.14 and 654,778.02 is: 903,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,005.45 : 1,615,990.14 = 654,778.02 : x
  2. Step 2: Convert to fraction form
    1,171,005.45/1,615,990.14 = 654,778.02/x
  3. Step 3: Cross multiply
    1,171,005.45x = 1,615,990.14 × 654,778.02
  4. Step 4: Simplify right side
    1,171,005.45x = 1,058,114,824,208.72
  5. Step 5: Solve for x
    x = 1,058,114,824,208.72/1,171,005.45
  6. Step 6: Final answer
    x = 903,595.13

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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.