Home / 705,879.60-1,058,819.40-659,223.60

Finding the Fourth Proportional to 705,879.60, 1,058,819.40 and 659,223.60

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Solution

The fourth proportional to 705,879.60, 1,058,819.40 and 659,223.60 is: 988,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,879.60 : 1,058,819.40 = 659,223.60 : x
  2. Step 2: Convert to fraction form
    705,879.60/1,058,819.40 = 659,223.60/x
  3. Step 3: Cross multiply
    705,879.60x = 1,058,819.40 × 659,223.60
  4. Step 4: Simplify right side
    705,879.60x = 697,998,736,617.84
  5. Step 5: Solve for x
    x = 697,998,736,617.84/705,879.60
  6. Step 6: Final answer
    x = 988,835.40

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1.5x scale

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.