Home / 430,599.42-645,943.17-164,583.84

Finding the Fourth Proportional to 430,599.42, 645,943.17 and 164,583.84

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Solution

The fourth proportional to 430,599.42, 645,943.17 and 164,583.84 is: 246,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,599.42 : 645,943.17 = 164,583.84 : x
  2. Step 2: Convert to fraction form
    430,599.42/645,943.17 = 164,583.84/x
  3. Step 3: Cross multiply
    430,599.42x = 645,943.17 × 164,583.84
  4. Step 4: Simplify right side
    430,599.42x = 106,311,807,340.37
  5. Step 5: Solve for x
    x = 106,311,807,340.37/430,599.42
  6. Step 6: Final answer
    x = 246,892.59

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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.