Home / 829,845.40-1,244,768.10-409,066.60

Finding the Fourth Proportional to 829,845.40, 1,244,768.10 and 409,066.60

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Solution

The fourth proportional to 829,845.40, 1,244,768.10 and 409,066.60 is: 613,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,845.40 : 1,244,768.10 = 409,066.60 : x
  2. Step 2: Convert to fraction form
    829,845.40/1,244,768.10 = 409,066.60/x
  3. Step 3: Cross multiply
    829,845.40x = 1,244,768.10 × 409,066.60
  4. Step 4: Simplify right side
    829,845.40x = 509,193,054,455.46
  5. Step 5: Solve for x
    x = 509,193,054,455.46/829,845.40
  6. Step 6: Final answer
    x = 613,599.90

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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.