Home / 393,056.45-589,041.34-179,303.17

Finding the Fourth Proportional to 393,056.45, 589,041.34 and 179,303.17

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Solution

The fourth proportional to 393,056.45, 589,041.34 and 179,303.17 is: 268,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,056.45 : 589,041.34 = 179,303.17 : x
  2. Step 2: Convert to fraction form
    393,056.45/589,041.34 = 179,303.17/x
  3. Step 3: Cross multiply
    393,056.45x = 589,041.34 × 179,303.17
  4. Step 4: Simplify right side
    393,056.45x = 105,616,979,210.93
  5. Step 5: Solve for x
    x = 105,616,979,210.93/393,056.45
  6. Step 6: Final answer
    x = 268,706.90

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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.