Home / 1,077,820.20-1,616,960.70-329,941.80

Finding the Fourth Proportional to 1,077,820.20, 1,616,960.70 and 329,941.80

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Solution

The fourth proportional to 1,077,820.20, 1,616,960.70 and 329,941.80 is: 494,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,820.20 : 1,616,960.70 = 329,941.80 : x
  2. Step 2: Convert to fraction form
    1,077,820.20/1,616,960.70 = 329,941.80/x
  3. Step 3: Cross multiply
    1,077,820.20x = 1,616,960.70 × 329,941.80
  4. Step 4: Simplify right side
    1,077,820.20x = 533,502,923,887.26
  5. Step 5: Solve for x
    x = 533,502,923,887.26/1,077,820.20
  6. Step 6: Final answer
    x = 494,983.23

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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.