Home / 436,811.67-602,812.13-245,831.90

Finding the Fourth Proportional to 436,811.67, 602,812.13 and 245,831.90

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Solution

The fourth proportional to 436,811.67, 602,812.13 and 245,831.90 is: 339,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,811.67 : 602,812.13 = 245,831.90 : x
  2. Step 2: Convert to fraction form
    436,811.67/602,812.13 = 245,831.90/x
  3. Step 3: Cross multiply
    436,811.67x = 602,812.13 × 245,831.90
  4. Step 4: Simplify right side
    436,811.67x = 148,190,447,017.73
  5. Step 5: Solve for x
    x = 148,190,447,017.73/436,811.67
  6. Step 6: Final answer
    x = 339,254.78

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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.