Home / 626,022.56-939,071.86-176,777.30

Finding the Fourth Proportional to 626,022.56, 939,071.86 and 176,777.30

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Solution

The fourth proportional to 626,022.56, 939,071.86 and 176,777.30 is: 265,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,022.56 : 939,071.86 = 176,777.30 : x
  2. Step 2: Convert to fraction form
    626,022.56/939,071.86 = 176,777.30/x
  3. Step 3: Cross multiply
    626,022.56x = 939,071.86 × 176,777.30
  4. Step 4: Simplify right side
    626,022.56x = 166,006,587,916.78
  5. Step 5: Solve for x
    x = 166,006,587,916.78/626,022.56
  6. Step 6: Final answer
    x = 265,176.69

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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.