Home / 388,826.46-583,466.49-211,352.22

Finding the Fourth Proportional to 388,826.46, 583,466.49 and 211,352.22

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Solution

The fourth proportional to 388,826.46, 583,466.49 and 211,352.22 is: 317,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,826.46 : 583,466.49 = 211,352.22 : x
  2. Step 2: Convert to fraction form
    388,826.46/583,466.49 = 211,352.22/x
  3. Step 3: Cross multiply
    388,826.46x = 583,466.49 × 211,352.22
  4. Step 4: Simplify right side
    388,826.46x = 123,316,937,957.11
  5. Step 5: Solve for x
    x = 123,316,937,957.11/388,826.46
  6. Step 6: Final answer
    x = 317,151.61

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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.