Home / 717,638.74-1,076,459.62-673,794.86

Finding the Fourth Proportional to 717,638.74, 1,076,459.62 and 673,794.86

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Solution

The fourth proportional to 717,638.74, 1,076,459.62 and 673,794.86 is: 1,010,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,638.74 : 1,076,459.62 = 673,794.86 : x
  2. Step 2: Convert to fraction form
    717,638.74/1,076,459.62 = 673,794.86/x
  3. Step 3: Cross multiply
    717,638.74x = 1,076,459.62 × 673,794.86
  4. Step 4: Simplify right side
    717,638.74x = 725,312,958,953.55
  5. Step 5: Solve for x
    x = 725,312,958,953.55/717,638.74
  6. Step 6: Final answer
    x = 1,010,693.71

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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.