Home / 1,259,017.60-1,888,524.06-394,518.72

Finding the Fourth Proportional to 1,259,017.60, 1,888,524.06 and 394,518.72

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Solution

The fourth proportional to 1,259,017.60, 1,888,524.06 and 394,518.72 is: 591,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,017.60 : 1,888,524.06 = 394,518.72 : x
  2. Step 2: Convert to fraction form
    1,259,017.60/1,888,524.06 = 394,518.72/x
  3. Step 3: Cross multiply
    1,259,017.60x = 1,888,524.06 × 394,518.72
  4. Step 4: Simplify right side
    1,259,017.60x = 745,058,094,840.40
  5. Step 5: Solve for x
    x = 745,058,094,840.40/1,259,017.60
  6. Step 6: Final answer
    x = 591,777.35

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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.