Home / 693,626.22-1,039,587.21-394,357.14

Finding the Fourth Proportional to 693,626.22, 1,039,587.21 and 394,357.14

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Solution

The fourth proportional to 693,626.22, 1,039,587.21 and 394,357.14 is: 591,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,626.22 : 1,039,587.21 = 394,357.14 : x
  2. Step 2: Convert to fraction form
    693,626.22/1,039,587.21 = 394,357.14/x
  3. Step 3: Cross multiply
    693,626.22x = 1,039,587.21 × 394,357.14
  4. Step 4: Simplify right side
    693,626.22x = 409,968,638,916.18
  5. Step 5: Solve for x
    x = 409,968,638,916.18/693,626.22
  6. Step 6: Final answer
    x = 591,051.24

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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.