Home / 377,072.46-520,381.02-207,341.82

Finding the Fourth Proportional to 377,072.46, 520,381.02 and 207,341.82

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Solution

The fourth proportional to 377,072.46, 520,381.02 and 207,341.82 is: 286,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,072.46 : 520,381.02 = 207,341.82 : x
  2. Step 2: Convert to fraction form
    377,072.46/520,381.02 = 207,341.82/x
  3. Step 3: Cross multiply
    377,072.46x = 520,381.02 × 207,341.82
  4. Step 4: Simplify right side
    377,072.46x = 107,896,747,780.26
  5. Step 5: Solve for x
    x = 107,896,747,780.26/377,072.46
  6. Step 6: Final answer
    x = 286,143.27

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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.