Home / 384,554.03-530,695.27-212,483.09

Finding the Fourth Proportional to 384,554.03, 530,695.27 and 212,483.09

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Solution

The fourth proportional to 384,554.03, 530,695.27 and 212,483.09 is: 293,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,554.03 : 530,695.27 = 212,483.09 : x
  2. Step 2: Convert to fraction form
    384,554.03/530,695.27 = 212,483.09/x
  3. Step 3: Cross multiply
    384,554.03x = 530,695.27 × 212,483.09
  4. Step 4: Simplify right side
    384,554.03x = 112,763,767,633.30
  5. Step 5: Solve for x
    x = 112,763,767,633.30/384,554.03
  6. Step 6: Final answer
    x = 293,232.57

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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.