Home / 1,413,755.60-2,120,633.40-853,883.60

Finding the Fourth Proportional to 1,413,755.60, 2,120,633.40 and 853,883.60

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Solution

The fourth proportional to 1,413,755.60, 2,120,633.40 and 853,883.60 is: 1,280,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,755.60 : 2,120,633.40 = 853,883.60 : x
  2. Step 2: Convert to fraction form
    1,413,755.60/2,120,633.40 = 853,883.60/x
  3. Step 3: Cross multiply
    1,413,755.60x = 2,120,633.40 × 853,883.60
  4. Step 4: Simplify right side
    1,413,755.60x = 1,810,774,081,872.24
  5. Step 5: Solve for x
    x = 1,810,774,081,872.24/1,413,755.60
  6. Step 6: Final answer
    x = 1,280,825.40

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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.