Home / 1,171,305.72-1,616,390.40-655,053.84

Finding the Fourth Proportional to 1,171,305.72, 1,616,390.40 and 655,053.84

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Solution

The fourth proportional to 1,171,305.72, 1,616,390.40 and 655,053.84 is: 903,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,305.72 : 1,616,390.40 = 655,053.84 : x
  2. Step 2: Convert to fraction form
    1,171,305.72/1,616,390.40 = 655,053.84/x
  3. Step 3: Cross multiply
    1,171,305.72x = 1,616,390.40 × 655,053.84
  4. Step 4: Simplify right side
    1,171,305.72x = 1,058,822,738,459.14
  5. Step 5: Solve for x
    x = 1,058,822,738,459.14/1,171,305.72
  6. Step 6: Final answer
    x = 903,967.87

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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.