Home / 938,355.74-1,296,007.09-617,498.24

Finding the Fourth Proportional to 938,355.74, 1,296,007.09 and 617,498.24

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Solution

The fourth proportional to 938,355.74, 1,296,007.09 and 617,498.24 is: 852,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,355.74 : 1,296,007.09 = 617,498.24 : x
  2. Step 2: Convert to fraction form
    938,355.74/1,296,007.09 = 617,498.24/x
  3. Step 3: Cross multiply
    938,355.74x = 1,296,007.09 × 617,498.24
  4. Step 4: Simplify right side
    938,355.74x = 800,282,089,078.74
  5. Step 5: Solve for x
    x = 800,282,089,078.74/938,355.74
  6. Step 6: Final answer
    x = 852,855.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.