Home / 717,814.70-1,076,722.05-605,840.30

Finding the Fourth Proportional to 717,814.70, 1,076,722.05 and 605,840.30

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Solution

The fourth proportional to 717,814.70, 1,076,722.05 and 605,840.30 is: 908,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,814.70 : 1,076,722.05 = 605,840.30 : x
  2. Step 2: Convert to fraction form
    717,814.70/1,076,722.05 = 605,840.30/x
  3. Step 3: Cross multiply
    717,814.70x = 1,076,722.05 × 605,840.30
  4. Step 4: Simplify right side
    717,814.70x = 652,321,609,788.62
  5. Step 5: Solve for x
    x = 652,321,609,788.62/717,814.70
  6. Step 6: Final answer
    x = 908,760.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.