Home / 542,493.04-813,739.60-210,069.04

Finding the Fourth Proportional to 542,493.04, 813,739.60 and 210,069.04

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Solution

The fourth proportional to 542,493.04, 813,739.60 and 210,069.04 is: 315,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,493.04 : 813,739.60 = 210,069.04 : x
  2. Step 2: Convert to fraction form
    542,493.04/813,739.60 = 210,069.04/x
  3. Step 3: Cross multiply
    542,493.04x = 813,739.60 × 210,069.04
  4. Step 4: Simplify right side
    542,493.04x = 170,941,496,581.98
  5. Step 5: Solve for x
    x = 170,941,496,581.98/542,493.04
  6. Step 6: Final answer
    x = 315,103.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.