Home / 823,313.84-1,234,957.32-262,340.72

Finding the Fourth Proportional to 823,313.84, 1,234,957.32 and 262,340.72

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Solution

The fourth proportional to 823,313.84, 1,234,957.32 and 262,340.72 is: 393,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,313.84 : 1,234,957.32 = 262,340.72 : x
  2. Step 2: Convert to fraction form
    823,313.84/1,234,957.32 = 262,340.72/x
  3. Step 3: Cross multiply
    823,313.84x = 1,234,957.32 × 262,340.72
  4. Step 4: Simplify right side
    823,313.84x = 323,979,592,498.07
  5. Step 5: Solve for x
    x = 323,979,592,498.07/823,313.84
  6. Step 6: Final answer
    x = 393,506.80

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1.5x scale

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.