Home / 711,151.85-1,066,645.67-178,632.34

Finding the Fourth Proportional to 711,151.85, 1,066,645.67 and 178,632.34

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Solution

The fourth proportional to 711,151.85, 1,066,645.67 and 178,632.34 is: 267,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,151.85 : 1,066,645.67 = 178,632.34 : x
  2. Step 2: Convert to fraction form
    711,151.85/1,066,645.67 = 178,632.34/x
  3. Step 3: Cross multiply
    711,151.85x = 1,066,645.67 × 178,632.34
  4. Step 4: Simplify right side
    711,151.85x = 190,537,408,423.19
  5. Step 5: Solve for x
    x = 190,537,408,423.19/711,151.85
  6. Step 6: Final answer
    x = 267,927.88

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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.