Home / 629,931.81-869,323.33-384,956.22

Finding the Fourth Proportional to 629,931.81, 869,323.33 and 384,956.22

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Solution

The fourth proportional to 629,931.81, 869,323.33 and 384,956.22 is: 531,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,931.81 : 869,323.33 = 384,956.22 : x
  2. Step 2: Convert to fraction form
    629,931.81/869,323.33 = 384,956.22/x
  3. Step 3: Cross multiply
    629,931.81x = 869,323.33 × 384,956.22
  4. Step 4: Simplify right side
    629,931.81x = 334,651,423,074.61
  5. Step 5: Solve for x
    x = 334,651,423,074.61/629,931.81
  6. Step 6: Final answer
    x = 531,250.24

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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.