Home / 1,305,693.28-1,958,314.20-346,155.22

Finding the Fourth Proportional to 1,305,693.28, 1,958,314.20 and 346,155.22

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Solution

The fourth proportional to 1,305,693.28, 1,958,314.20 and 346,155.22 is: 519,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,693.28 : 1,958,314.20 = 346,155.22 : x
  2. Step 2: Convert to fraction form
    1,305,693.28/1,958,314.20 = 346,155.22/x
  3. Step 3: Cross multiply
    1,305,693.28x = 1,958,314.20 × 346,155.22
  4. Step 4: Simplify right side
    1,305,693.28x = 677,880,682,730.12
  5. Step 5: Solve for x
    x = 677,880,682,730.12/1,305,693.28
  6. Step 6: Final answer
    x = 519,172.99

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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.