Home / 637,122.61-955,831.84-210,632.71

Finding the Fourth Proportional to 637,122.61, 955,831.84 and 210,632.71

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Solution

The fourth proportional to 637,122.61, 955,831.84 and 210,632.71 is: 315,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,122.61 : 955,831.84 = 210,632.71 : x
  2. Step 2: Convert to fraction form
    637,122.61/955,831.84 = 210,632.71/x
  3. Step 3: Cross multiply
    637,122.61x = 955,831.84 × 210,632.71
  4. Step 4: Simplify right side
    637,122.61x = 201,329,445,984.33
  5. Step 5: Solve for x
    x = 201,329,445,984.33/637,122.61
  6. Step 6: Final answer
    x = 315,997.96

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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.