Home / 357,720.30-493,546.37-214,428.06

Finding the Fourth Proportional to 357,720.30, 493,546.37 and 214,428.06

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Solution

The fourth proportional to 357,720.30, 493,546.37 and 214,428.06 is: 295,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,720.30 : 493,546.37 = 214,428.06 : x
  2. Step 2: Convert to fraction form
    357,720.30/493,546.37 = 214,428.06/x
  3. Step 3: Cross multiply
    357,720.30x = 493,546.37 × 214,428.06
  4. Step 4: Simplify right side
    357,720.30x = 105,830,189,567.00
  5. Step 5: Solve for x
    x = 105,830,189,567.00/357,720.30
  6. Step 6: Final answer
    x = 295,846.19

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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.