Home / 886,858.20-1,330,287.30-354,461.40

Finding the Fourth Proportional to 886,858.20, 1,330,287.30 and 354,461.40

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Solution

The fourth proportional to 886,858.20, 1,330,287.30 and 354,461.40 is: 531,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,858.20 : 1,330,287.30 = 354,461.40 : x
  2. Step 2: Convert to fraction form
    886,858.20/1,330,287.30 = 354,461.40/x
  3. Step 3: Cross multiply
    886,858.20x = 1,330,287.30 × 354,461.40
  4. Step 4: Simplify right side
    886,858.20x = 471,535,498,760.22
  5. Step 5: Solve for x
    x = 471,535,498,760.22/886,858.20
  6. Step 6: Final answer
    x = 531,692.10

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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.