Home / 1,518,431.24-2,095,352.88-839,324

Finding the Fourth Proportional to 1,518,431.24, 2,095,352.88 and 839,324

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Solution

The fourth proportional to 1,518,431.24, 2,095,352.88 and 839,324 is: 1,158,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,431.24 : 2,095,352.88 = 839,324 : x
  2. Step 2: Convert to fraction form
    1,518,431.24/2,095,352.88 = 839,324/x
  3. Step 3: Cross multiply
    1,518,431.24x = 2,095,352.88 × 839,324
  4. Step 4: Simplify right side
    1,518,431.24x = 1,758,679,960,653.12
  5. Step 5: Solve for x
    x = 1,758,679,960,653.12/1,518,431.24
  6. Step 6: Final answer
    x = 1,158,221.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.