Home / 966,298.60-1,449,620.70-405,389.80

Finding the Fourth Proportional to 966,298.60, 1,449,620.70 and 405,389.80

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Solution

The fourth proportional to 966,298.60, 1,449,620.70 and 405,389.80 is: 608,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,298.60 : 1,449,620.70 = 405,389.80 : x
  2. Step 2: Convert to fraction form
    966,298.60/1,449,620.70 = 405,389.80/x
  3. Step 3: Cross multiply
    966,298.60x = 1,449,620.70 × 405,389.80
  4. Step 4: Simplify right side
    966,298.60x = 587,661,445,648.86
  5. Step 5: Solve for x
    x = 587,661,445,648.86/966,298.60
  6. Step 6: Final answer
    x = 608,157.19

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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.