Home / 1,117,486.80-1,676,260.98-408,043.44

Finding the Fourth Proportional to 1,117,486.80, 1,676,260.98 and 408,043.44

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Solution

The fourth proportional to 1,117,486.80, 1,676,260.98 and 408,043.44 is: 612,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,486.80 : 1,676,260.98 = 408,043.44 : x
  2. Step 2: Convert to fraction form
    1,117,486.80/1,676,260.98 = 408,043.44/x
  3. Step 3: Cross multiply
    1,117,486.80x = 1,676,260.98 × 408,043.44
  4. Step 4: Simplify right side
    1,117,486.80x = 683,987,296,616.97
  5. Step 5: Solve for x
    x = 683,987,296,616.97/1,117,486.80
  6. Step 6: Final answer
    x = 612,076.40

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1.5x scale

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.