Home / 1,115,779.70-1,673,669.55-274,331.45

Finding the Fourth Proportional to 1,115,779.70, 1,673,669.55 and 274,331.45

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Solution

The fourth proportional to 1,115,779.70, 1,673,669.55 and 274,331.45 is: 411,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,779.70 : 1,673,669.55 = 274,331.45 : x
  2. Step 2: Convert to fraction form
    1,115,779.70/1,673,669.55 = 274,331.45/x
  3. Step 3: Cross multiply
    1,115,779.70x = 1,673,669.55 × 274,331.45
  4. Step 4: Simplify right side
    1,115,779.70x = 459,140,194,472.35
  5. Step 5: Solve for x
    x = 459,140,194,472.35/1,115,779.70
  6. Step 6: Final answer
    x = 411,497.18

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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.