Home / 706,923.60-1,058,830.20-628,126.80

Finding the Fourth Proportional to 706,923.60, 1,058,830.20 and 628,126.80

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Solution

The fourth proportional to 706,923.60, 1,058,830.20 and 628,126.80 is: 940,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,923.60 : 1,058,830.20 = 628,126.80 : x
  2. Step 2: Convert to fraction form
    706,923.60/1,058,830.20 = 628,126.80/x
  3. Step 3: Cross multiply
    706,923.60x = 1,058,830.20 × 628,126.80
  4. Step 4: Simplify right side
    706,923.60x = 665,079,625,269.36
  5. Step 5: Solve for x
    x = 665,079,625,269.36/706,923.60
  6. Step 6: Final answer
    x = 940,808.35

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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.