Home / 629,766.84-869,199.54-436,698.48

Finding the Fourth Proportional to 629,766.84, 869,199.54 and 436,698.48

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Solution

The fourth proportional to 629,766.84, 869,199.54 and 436,698.48 is: 602,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,766.84 : 869,199.54 = 436,698.48 : x
  2. Step 2: Convert to fraction form
    629,766.84/869,199.54 = 436,698.48/x
  3. Step 3: Cross multiply
    629,766.84x = 869,199.54 × 436,698.48
  4. Step 4: Simplify right side
    629,766.84x = 379,578,117,934.70
  5. Step 5: Solve for x
    x = 379,578,117,934.70/629,766.84
  6. Step 6: Final answer
    x = 602,728.02

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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.