Home / 641,436.84-884,895.84-369,433.44

Finding the Fourth Proportional to 641,436.84, 884,895.84 and 369,433.44

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Solution

The fourth proportional to 641,436.84, 884,895.84 and 369,433.44 is: 509,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,436.84 : 884,895.84 = 369,433.44 : x
  2. Step 2: Convert to fraction form
    641,436.84/884,895.84 = 369,433.44/x
  3. Step 3: Cross multiply
    641,436.84x = 884,895.84 × 369,433.44
  4. Step 4: Simplify right side
    641,436.84x = 326,910,114,212.89
  5. Step 5: Solve for x
    x = 326,910,114,212.89/641,436.84
  6. Step 6: Final answer
    x = 509,652.85

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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.