Home / 1,065,575.85-1,470,523.58-636,105.34

Finding the Fourth Proportional to 1,065,575.85, 1,470,523.58 and 636,105.34

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Solution

The fourth proportional to 1,065,575.85, 1,470,523.58 and 636,105.34 is: 877,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,575.85 : 1,470,523.58 = 636,105.34 : x
  2. Step 2: Convert to fraction form
    1,065,575.85/1,470,523.58 = 636,105.34/x
  3. Step 3: Cross multiply
    1,065,575.85x = 1,470,523.58 × 636,105.34
  4. Step 4: Simplify right side
    1,065,575.85x = 935,407,901,833.92
  5. Step 5: Solve for x
    x = 935,407,901,833.92/1,065,575.85
  6. Step 6: Final answer
    x = 877,842.63

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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.