Home / 393,056.95-589,042.09-179,303.67

Finding the Fourth Proportional to 393,056.95, 589,042.09 and 179,303.67

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Solution

The fourth proportional to 393,056.95, 589,042.09 and 179,303.67 is: 268,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,056.95 : 589,042.09 = 179,303.67 : x
  2. Step 2: Convert to fraction form
    393,056.95/589,042.09 = 179,303.67/x
  3. Step 3: Cross multiply
    393,056.95x = 589,042.09 × 179,303.67
  4. Step 4: Simplify right side
    393,056.95x = 105,617,408,521.47
  5. Step 5: Solve for x
    x = 105,617,408,521.47/393,056.95
  6. Step 6: Final answer
    x = 268,707.65

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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.