Home / 1,065,576.35-1,470,524.27-636,105.84

Finding the Fourth Proportional to 1,065,576.35, 1,470,524.27 and 636,105.84

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Solution

The fourth proportional to 1,065,576.35, 1,470,524.27 and 636,105.84 is: 877,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,576.35 : 1,470,524.27 = 636,105.84 : x
  2. Step 2: Convert to fraction form
    1,065,576.35/1,470,524.27 = 636,105.84/x
  3. Step 3: Cross multiply
    1,065,576.35x = 1,470,524.27 × 636,105.84
  4. Step 4: Simplify right side
    1,065,576.35x = 935,409,076,008.74
  5. Step 5: Solve for x
    x = 935,409,076,008.74/1,065,576.35
  6. Step 6: Final answer
    x = 877,843.32

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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.