Home / 864,107.61-1,296,161.55-233,021.49

Finding the Fourth Proportional to 864,107.61, 1,296,161.55 and 233,021.49

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Solution

The fourth proportional to 864,107.61, 1,296,161.55 and 233,021.49 is: 349,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,107.61 : 1,296,161.55 = 233,021.49 : x
  2. Step 2: Convert to fraction form
    864,107.61/1,296,161.55 = 233,021.49/x
  3. Step 3: Cross multiply
    864,107.61x = 1,296,161.55 × 233,021.49
  4. Step 4: Simplify right side
    864,107.61x = 302,033,495,661.71
  5. Step 5: Solve for x
    x = 302,033,495,661.71/864,107.61
  6. Step 6: Final answer
    x = 349,532.27

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Double scale
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Similar ratio
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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.