Home / 673,707.70-1,010,561.55-461,131.30

Finding the Fourth Proportional to 673,707.70, 1,010,561.55 and 461,131.30

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Solution

The fourth proportional to 673,707.70, 1,010,561.55 and 461,131.30 is: 691,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,707.70 : 1,010,561.55 = 461,131.30 : x
  2. Step 2: Convert to fraction form
    673,707.70/1,010,561.55 = 461,131.30/x
  3. Step 3: Cross multiply
    673,707.70x = 1,010,561.55 × 461,131.30
  4. Step 4: Simplify right side
    673,707.70x = 466,001,561,281.52
  5. Step 5: Solve for x
    x = 466,001,561,281.52/673,707.70
  6. Step 6: Final answer
    x = 691,696.95

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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.