Home / 711,477.09-1,066,958.55-238,051.71

Finding the Fourth Proportional to 711,477.09, 1,066,958.55 and 238,051.71

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Solution

The fourth proportional to 711,477.09, 1,066,958.55 and 238,051.71 is: 356,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,477.09 : 1,066,958.55 = 238,051.71 : x
  2. Step 2: Convert to fraction form
    711,477.09/1,066,958.55 = 238,051.71/x
  3. Step 3: Cross multiply
    711,477.09x = 1,066,958.55 × 238,051.71
  4. Step 4: Simplify right side
    711,477.09x = 253,991,307,326.62
  5. Step 5: Solve for x
    x = 253,991,307,326.62/711,477.09
  6. Step 6: Final answer
    x = 356,991.55

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Double scale
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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.