Home / 738,472.51-1,107,708.75-233,072.80

Finding the Fourth Proportional to 738,472.51, 1,107,708.75 and 233,072.80

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Solution

The fourth proportional to 738,472.51, 1,107,708.75 and 233,072.80 is: 349,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,472.51 : 1,107,708.75 = 233,072.80 : x
  2. Step 2: Convert to fraction form
    738,472.51/1,107,708.75 = 233,072.80/x
  3. Step 3: Cross multiply
    738,472.51x = 1,107,708.75 × 233,072.80
  4. Step 4: Simplify right side
    738,472.51x = 258,176,779,947
  5. Step 5: Solve for x
    x = 258,176,779,947/738,472.51
  6. Step 6: Final answer
    x = 349,609.20

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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.