Home / 1,699,755.60-2,549,633.40-990,584.40

Finding the Fourth Proportional to 1,699,755.60, 2,549,633.40 and 990,584.40

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Solution

The fourth proportional to 1,699,755.60, 2,549,633.40 and 990,584.40 is: 1,485,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,755.60 : 2,549,633.40 = 990,584.40 : x
  2. Step 2: Convert to fraction form
    1,699,755.60/2,549,633.40 = 990,584.40/x
  3. Step 3: Cross multiply
    1,699,755.60x = 2,549,633.40 × 990,584.40
  4. Step 4: Simplify right side
    1,699,755.60x = 2,525,627,071,758.96
  5. Step 5: Solve for x
    x = 2,525,627,071,758.96/1,699,755.60
  6. Step 6: Final answer
    x = 1,485,876.60

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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.