Home / 979,514.40-1,469,271.60-908,655.60

Finding the Fourth Proportional to 979,514.40, 1,469,271.60 and 908,655.60

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Solution

The fourth proportional to 979,514.40, 1,469,271.60 and 908,655.60 is: 1,362,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,514.40 : 1,469,271.60 = 908,655.60 : x
  2. Step 2: Convert to fraction form
    979,514.40/1,469,271.60 = 908,655.60/x
  3. Step 3: Cross multiply
    979,514.40x = 1,469,271.60 × 908,655.60
  4. Step 4: Simplify right side
    979,514.40x = 1,335,061,867,260.96
  5. Step 5: Solve for x
    x = 1,335,061,867,260.96/979,514.40
  6. Step 6: Final answer
    x = 1,362,983.40

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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.