Home / 629,237.15-868,322.71-384,631.42

Finding the Fourth Proportional to 629,237.15, 868,322.71 and 384,631.42

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Solution

The fourth proportional to 629,237.15, 868,322.71 and 384,631.42 is: 530,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,237.15 : 868,322.71 = 384,631.42 : x
  2. Step 2: Convert to fraction form
    629,237.15/868,322.71 = 384,631.42/x
  3. Step 3: Cross multiply
    629,237.15x = 868,322.71 × 384,631.42
  4. Step 4: Simplify right side
    629,237.15x = 333,984,196,965.55
  5. Step 5: Solve for x
    x = 333,984,196,965.55/629,237.15
  6. Step 6: Final answer
    x = 530,776.35

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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.