Home / 427,557.15-590,021.09-236,570.54

Finding the Fourth Proportional to 427,557.15, 590,021.09 and 236,570.54

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Solution

The fourth proportional to 427,557.15, 590,021.09 and 236,570.54 is: 326,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,557.15 : 590,021.09 = 236,570.54 : x
  2. Step 2: Convert to fraction form
    427,557.15/590,021.09 = 236,570.54/x
  3. Step 3: Cross multiply
    427,557.15x = 590,021.09 × 236,570.54
  4. Step 4: Simplify right side
    427,557.15x = 139,581,605,214.78
  5. Step 5: Solve for x
    x = 139,581,605,214.78/427,557.15
  6. Step 6: Final answer
    x = 326,463.04

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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.