Home / 1,152,065.90-1,589,940.34-635,920.94

Finding the Fourth Proportional to 1,152,065.90, 1,589,940.34 and 635,920.94

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Solution

The fourth proportional to 1,152,065.90, 1,589,940.34 and 635,920.94 is: 877,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,065.90 : 1,589,940.34 = 635,920.94 : x
  2. Step 2: Convert to fraction form
    1,152,065.90/1,589,940.34 = 635,920.94/x
  3. Step 3: Cross multiply
    1,152,065.90x = 1,589,940.34 × 635,920.94
  4. Step 4: Simplify right side
    1,152,065.90x = 1,011,076,355,556.72
  5. Step 5: Solve for x
    x = 1,011,076,355,556.72/1,152,065.90
  6. Step 6: Final answer
    x = 877,620.24

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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.