Home / 739,668.46-1,110,000.92-290,336.10

Finding the Fourth Proportional to 739,668.46, 1,110,000.92 and 290,336.10

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Solution

The fourth proportional to 739,668.46, 1,110,000.92 and 290,336.10 is: 435,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,668.46 : 1,110,000.92 = 290,336.10 : x
  2. Step 2: Convert to fraction form
    739,668.46/1,110,000.92 = 290,336.10/x
  3. Step 3: Cross multiply
    739,668.46x = 1,110,000.92 × 290,336.10
  4. Step 4: Simplify right side
    739,668.46x = 322,273,332,495.03
  5. Step 5: Solve for x
    x = 322,273,332,495.03/739,668.46
  6. Step 6: Final answer
    x = 435,699.71

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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.