Home / 1,591,319.40-2,196,068.32-979,825

Finding the Fourth Proportional to 1,591,319.40, 2,196,068.32 and 979,825

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Solution

The fourth proportional to 1,591,319.40, 2,196,068.32 and 979,825 is: 1,352,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,319.40 : 2,196,068.32 = 979,825 : x
  2. Step 2: Convert to fraction form
    1,591,319.40/2,196,068.32 = 979,825/x
  3. Step 3: Cross multiply
    1,591,319.40x = 2,196,068.32 × 979,825
  4. Step 4: Simplify right side
    1,591,319.40x = 2,151,762,641,644.00
  5. Step 5: Solve for x
    x = 2,151,762,641,644.00/1,591,319.40
  6. Step 6: Final answer
    x = 1,352,187.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.