Home / 965,477.40-1,447,845.30-459,648.60

Finding the Fourth Proportional to 965,477.40, 1,447,845.30 and 459,648.60

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Solution

The fourth proportional to 965,477.40, 1,447,845.30 and 459,648.60 is: 689,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,477.40 : 1,447,845.30 = 459,648.60 : x
  2. Step 2: Convert to fraction form
    965,477.40/1,447,845.30 = 459,648.60/x
  3. Step 3: Cross multiply
    965,477.40x = 1,447,845.30 × 459,648.60
  4. Step 4: Simplify right side
    965,477.40x = 665,500,065,161.58
  5. Step 5: Solve for x
    x = 665,500,065,161.58/965,477.40
  6. Step 6: Final answer
    x = 689,296.37

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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.