Home / 734,133.63-1,013,111.33-411,850.65

Finding the Fourth Proportional to 734,133.63, 1,013,111.33 and 411,850.65

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Solution

The fourth proportional to 734,133.63, 1,013,111.33 and 411,850.65 is: 568,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,133.63 : 1,013,111.33 = 411,850.65 : x
  2. Step 2: Convert to fraction form
    734,133.63/1,013,111.33 = 411,850.65/x
  3. Step 3: Cross multiply
    734,133.63x = 1,013,111.33 × 411,850.65
  4. Step 4: Simplify right side
    734,133.63x = 417,250,556,773.82
  5. Step 5: Solve for x
    x = 417,250,556,773.82/734,133.63
  6. Step 6: Final answer
    x = 568,357.77

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.