Home / 916,010.30-1,374,024.33-347,238.56

Finding the Fourth Proportional to 916,010.30, 1,374,024.33 and 347,238.56

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Solution

The fourth proportional to 916,010.30, 1,374,024.33 and 347,238.56 is: 520,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,010.30 : 1,374,024.33 = 347,238.56 : x
  2. Step 2: Convert to fraction form
    916,010.30/1,374,024.33 = 347,238.56/x
  3. Step 3: Cross multiply
    916,010.30x = 1,374,024.33 × 347,238.56
  4. Step 4: Simplify right side
    916,010.30x = 477,114,233,189.23
  5. Step 5: Solve for x
    x = 477,114,233,189.23/916,010.30
  6. Step 6: Final answer
    x = 520,861.21

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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.