Home / 1,235,830.40-1,853,745.60-970,409.60

Finding the Fourth Proportional to 1,235,830.40, 1,853,745.60 and 970,409.60

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Solution

The fourth proportional to 1,235,830.40, 1,853,745.60 and 970,409.60 is: 1,455,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,830.40 : 1,853,745.60 = 970,409.60 : x
  2. Step 2: Convert to fraction form
    1,235,830.40/1,853,745.60 = 970,409.60/x
  3. Step 3: Cross multiply
    1,235,830.40x = 1,853,745.60 × 970,409.60
  4. Step 4: Simplify right side
    1,235,830.40x = 1,798,892,526,197.76
  5. Step 5: Solve for x
    x = 1,798,892,526,197.76/1,235,830.40
  6. Step 6: Final answer
    x = 1,455,614.40

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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.