Home / 794,120.10-1,190,653.57-288,621.06

Finding the Fourth Proportional to 794,120.10, 1,190,653.57 and 288,621.06

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Solution

The fourth proportional to 794,120.10, 1,190,653.57 and 288,621.06 is: 432,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,120.10 : 1,190,653.57 = 288,621.06 : x
  2. Step 2: Convert to fraction form
    794,120.10/1,190,653.57 = 288,621.06/x
  3. Step 3: Cross multiply
    794,120.10x = 1,190,653.57 × 288,621.06
  4. Step 4: Simplify right side
    794,120.10x = 343,647,695,466.18
  5. Step 5: Solve for x
    x = 343,647,695,466.18/794,120.10
  6. Step 6: Final answer
    x = 432,740.21

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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.