Home / 741,071.64-1,022,679.60-401,539.89

Finding the Fourth Proportional to 741,071.64, 1,022,679.60 and 401,539.89

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Solution

The fourth proportional to 741,071.64, 1,022,679.60 and 401,539.89 is: 554,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,071.64 : 1,022,679.60 = 401,539.89 : x
  2. Step 2: Convert to fraction form
    741,071.64/1,022,679.60 = 401,539.89/x
  3. Step 3: Cross multiply
    741,071.64x = 1,022,679.60 × 401,539.89
  4. Step 4: Simplify right side
    741,071.64x = 410,646,654,089.24
  5. Step 5: Solve for x
    x = 410,646,654,089.24/741,071.64
  6. Step 6: Final answer
    x = 554,125.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.