Home / 965,364.20-1,447,355.10-404,109.80

Finding the Fourth Proportional to 965,364.20, 1,447,355.10 and 404,109.80

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Solution

The fourth proportional to 965,364.20, 1,447,355.10 and 404,109.80 is: 605,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,364.20 : 1,447,355.10 = 404,109.80 : x
  2. Step 2: Convert to fraction form
    965,364.20/1,447,355.10 = 404,109.80/x
  3. Step 3: Cross multiply
    965,364.20x = 1,447,355.10 × 404,109.80
  4. Step 4: Simplify right side
    965,364.20x = 584,890,379,989.98
  5. Step 5: Solve for x
    x = 584,890,379,989.98/965,364.20
  6. Step 6: Final answer
    x = 605,875.36

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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.