Home / 756,940.16-1,134,124.94-456,790.04

Finding the Fourth Proportional to 756,940.16, 1,134,124.94 and 456,790.04

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Solution

The fourth proportional to 756,940.16, 1,134,124.94 and 456,790.04 is: 684,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,940.16 : 1,134,124.94 = 456,790.04 : x
  2. Step 2: Convert to fraction form
    756,940.16/1,134,124.94 = 456,790.04/x
  3. Step 3: Cross multiply
    756,940.16x = 1,134,124.94 × 456,790.04
  4. Step 4: Simplify right side
    756,940.16x = 518,056,974,423.65
  5. Step 5: Solve for x
    x = 518,056,974,423.65/756,940.16
  6. Step 6: Final answer
    x = 684,409.42

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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.