Home / 1,720,010.92-2,373,555.28-1,108,189.48

Finding the Fourth Proportional to 1,720,010.92, 2,373,555.28 and 1,108,189.48

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Solution

The fourth proportional to 1,720,010.92, 2,373,555.28 and 1,108,189.48 is: 1,529,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,010.92 : 2,373,555.28 = 1,108,189.48 : x
  2. Step 2: Convert to fraction form
    1,720,010.92/2,373,555.28 = 1,108,189.48/x
  3. Step 3: Cross multiply
    1,720,010.92x = 2,373,555.28 × 1,108,189.48
  4. Step 4: Simplify right side
    1,720,010.92x = 2,630,348,991,494.45
  5. Step 5: Solve for x
    x = 2,630,348,991,494.45/1,720,010.92
  6. Step 6: Final answer
    x = 1,529,262.96

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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.