Home / 673,788.70-1,010,683.05-274,223.80

Finding the Fourth Proportional to 673,788.70, 1,010,683.05 and 274,223.80

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Solution

The fourth proportional to 673,788.70, 1,010,683.05 and 274,223.80 is: 411,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,788.70 : 1,010,683.05 = 274,223.80 : x
  2. Step 2: Convert to fraction form
    673,788.70/1,010,683.05 = 274,223.80/x
  3. Step 3: Cross multiply
    673,788.70x = 1,010,683.05 × 274,223.80
  4. Step 4: Simplify right side
    673,788.70x = 277,153,346,566.59
  5. Step 5: Solve for x
    x = 277,153,346,566.59/673,788.70
  6. Step 6: Final answer
    x = 411,335.70

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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.