Home / 673,987.42-1,010,979.24-274,534.30

Finding the Fourth Proportional to 673,987.42, 1,010,979.24 and 274,534.30

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Solution

The fourth proportional to 673,987.42, 1,010,979.24 and 274,534.30 is: 411,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,987.42 : 1,010,979.24 = 274,534.30 : x
  2. Step 2: Convert to fraction form
    673,987.42/1,010,979.24 = 274,534.30/x
  3. Step 3: Cross multiply
    673,987.42x = 1,010,979.24 × 274,534.30
  4. Step 4: Simplify right side
    673,987.42x = 277,548,477,967.93
  5. Step 5: Solve for x
    x = 277,548,477,967.93/673,987.42
  6. Step 6: Final answer
    x = 411,800.68

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Double scale
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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.