Home / 1,279,083.90-1,765,089.51-706,111.77

Finding the Fourth Proportional to 1,279,083.90, 1,765,089.51 and 706,111.77

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Solution

The fourth proportional to 1,279,083.90, 1,765,089.51 and 706,111.77 is: 974,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,083.90 : 1,765,089.51 = 706,111.77 : x
  2. Step 2: Convert to fraction form
    1,279,083.90/1,765,089.51 = 706,111.77/x
  3. Step 3: Cross multiply
    1,279,083.90x = 1,765,089.51 × 706,111.77
  4. Step 4: Simplify right side
    1,279,083.90x = 1,246,350,478,114.53
  5. Step 5: Solve for x
    x = 1,246,350,478,114.53/1,279,083.90
  6. Step 6: Final answer
    x = 974,408.70

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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.