Home / 629,767.34-869,200.23-436,698.98

Finding the Fourth Proportional to 629,767.34, 869,200.23 and 436,698.98

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Solution

The fourth proportional to 629,767.34, 869,200.23 and 436,698.98 is: 602,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,767.34 : 869,200.23 = 436,698.98 : x
  2. Step 2: Convert to fraction form
    629,767.34/869,200.23 = 436,698.98/x
  3. Step 3: Cross multiply
    629,767.34x = 869,200.23 × 436,698.98
  4. Step 4: Simplify right side
    629,767.34x = 379,578,853,856.77
  5. Step 5: Solve for x
    x = 379,578,853,856.77/629,767.34
  6. Step 6: Final answer
    x = 602,728.71

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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.