Home / 431,831.93-595,946.09-238,238.69

Finding the Fourth Proportional to 431,831.93, 595,946.09 and 238,238.69

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Solution

The fourth proportional to 431,831.93, 595,946.09 and 238,238.69 is: 328,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,831.93 : 595,946.09 = 238,238.69 : x
  2. Step 2: Convert to fraction form
    431,831.93/595,946.09 = 238,238.69/x
  3. Step 3: Cross multiply
    431,831.93x = 595,946.09 × 238,238.69
  4. Step 4: Simplify right side
    431,831.93x = 141,977,413,408.09
  5. Step 5: Solve for x
    x = 141,977,413,408.09/431,831.93
  6. Step 6: Final answer
    x = 328,779.34

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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.