Home / 717,518.76-1,076,279.48-673,674.87

Finding the Fourth Proportional to 717,518.76, 1,076,279.48 and 673,674.87

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Solution

The fourth proportional to 717,518.76, 1,076,279.48 and 673,674.87 is: 1,010,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,518.76 : 1,076,279.48 = 673,674.87 : x
  2. Step 2: Convert to fraction form
    717,518.76/1,076,279.48 = 673,674.87/x
  3. Step 3: Cross multiply
    717,518.76x = 1,076,279.48 × 673,674.87
  4. Step 4: Simplify right side
    717,518.76x = 725,062,438,772.67
  5. Step 5: Solve for x
    x = 725,062,438,772.67/717,518.76
  6. Step 6: Final answer
    x = 1,010,513.56

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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.