Home / 641,178.84-884,821.68-383,173.32

Finding the Fourth Proportional to 641,178.84, 884,821.68 and 383,173.32

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Solution

The fourth proportional to 641,178.84, 884,821.68 and 383,173.32 is: 528,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,178.84 : 884,821.68 = 383,173.32 : x
  2. Step 2: Convert to fraction form
    641,178.84/884,821.68 = 383,173.32/x
  3. Step 3: Cross multiply
    641,178.84x = 884,821.68 × 383,173.32
  4. Step 4: Simplify right side
    641,178.84x = 339,040,060,733.58
  5. Step 5: Solve for x
    x = 339,040,060,733.58/641,178.84
  6. Step 6: Final answer
    x = 528,776.12

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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.