Home / 1,279,044.86-1,765,087.54-706,089.74

Finding the Fourth Proportional to 1,279,044.86, 1,765,087.54 and 706,089.74

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Solution

The fourth proportional to 1,279,044.86, 1,765,087.54 and 706,089.74 is: 974,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,044.86 : 1,765,087.54 = 706,089.74 : x
  2. Step 2: Convert to fraction form
    1,279,044.86/1,765,087.54 = 706,089.74/x
  3. Step 3: Cross multiply
    1,279,044.86x = 1,765,087.54 × 706,089.74
  4. Step 4: Simplify right side
    1,279,044.86x = 1,246,310,191,605.18
  5. Step 5: Solve for x
    x = 1,246,310,191,605.18/1,279,044.86
  6. Step 6: Final answer
    x = 974,406.95

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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.