Home / 626,586.76-939,885.20-177,322.28

Finding the Fourth Proportional to 626,586.76, 939,885.20 and 177,322.28

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Solution

The fourth proportional to 626,586.76, 939,885.20 and 177,322.28 is: 265,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,586.76 : 939,885.20 = 177,322.28 : x
  2. Step 2: Convert to fraction form
    626,586.76/939,885.20 = 177,322.28/x
  3. Step 3: Cross multiply
    626,586.76x = 939,885.20 × 177,322.28
  4. Step 4: Simplify right side
    626,586.76x = 166,662,586,602.26
  5. Step 5: Solve for x
    x = 166,662,586,602.26/626,586.76
  6. Step 6: Final answer
    x = 265,984.85

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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.