Home / 985,171.43-1,477,771.74-650,356.31

Finding the Fourth Proportional to 985,171.43, 1,477,771.74 and 650,356.31

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Solution

The fourth proportional to 985,171.43, 1,477,771.74 and 650,356.31 is: 975,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,171.43 : 1,477,771.74 = 650,356.31 : x
  2. Step 2: Convert to fraction form
    985,171.43/1,477,771.74 = 650,356.31/x
  3. Step 3: Cross multiply
    985,171.43x = 1,477,771.74 × 650,356.31
  4. Step 4: Simplify right side
    985,171.43x = 961,078,175,848.68
  5. Step 5: Solve for x
    x = 961,078,175,848.68/985,171.43
  6. Step 6: Final answer
    x = 975,544.10

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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.