Home / 1,279,083.40-1,765,088.82-706,111.27

Finding the Fourth Proportional to 1,279,083.40, 1,765,088.82 and 706,111.27

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Solution

The fourth proportional to 1,279,083.40, 1,765,088.82 and 706,111.27 is: 974,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,083.40 : 1,765,088.82 = 706,111.27 : x
  2. Step 2: Convert to fraction form
    1,279,083.40/1,765,088.82 = 706,111.27/x
  3. Step 3: Cross multiply
    1,279,083.40x = 1,765,088.82 × 706,111.27
  4. Step 4: Simplify right side
    1,279,083.40x = 1,246,349,108,353.00
  5. Step 5: Solve for x
    x = 1,246,349,108,353.00/1,279,083.40
  6. Step 6: Final answer
    x = 974,408.01

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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.