Home / 671,185.12-926,101.20-384,795.04

Finding the Fourth Proportional to 671,185.12, 926,101.20 and 384,795.04

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Solution

The fourth proportional to 671,185.12, 926,101.20 and 384,795.04 is: 530,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,185.12 : 926,101.20 = 384,795.04 : x
  2. Step 2: Convert to fraction form
    671,185.12/926,101.20 = 384,795.04/x
  3. Step 3: Cross multiply
    671,185.12x = 926,101.20 × 384,795.04
  4. Step 4: Simplify right side
    671,185.12x = 356,359,148,298.05
  5. Step 5: Solve for x
    x = 356,359,148,298.05/671,185.12
  6. Step 6: Final answer
    x = 530,940.18

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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.