Home / 864,305.48-1,296,458.21-233,218.28

Finding the Fourth Proportional to 864,305.48, 1,296,458.21 and 233,218.28

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Solution

The fourth proportional to 864,305.48, 1,296,458.21 and 233,218.28 is: 349,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,305.48 : 1,296,458.21 = 233,218.28 : x
  2. Step 2: Convert to fraction form
    864,305.48/1,296,458.21 = 233,218.28/x
  3. Step 3: Cross multiply
    864,305.48x = 1,296,458.21 × 233,218.28
  4. Step 4: Simplify right side
    864,305.48x = 302,357,747,928.83
  5. Step 5: Solve for x
    x = 302,357,747,928.83/864,305.48
  6. Step 6: Final answer
    x = 349,827.41

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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.