Home / 443,441.36-611,948.04-242,238.80

Finding the Fourth Proportional to 443,441.36, 611,948.04 and 242,238.80

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Solution

The fourth proportional to 443,441.36, 611,948.04 and 242,238.80 is: 334,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,441.36 : 611,948.04 = 242,238.80 : x
  2. Step 2: Convert to fraction form
    443,441.36/611,948.04 = 242,238.80/x
  3. Step 3: Cross multiply
    443,441.36x = 611,948.04 × 242,238.80
  4. Step 4: Simplify right side
    443,441.36x = 148,237,558,871.95
  5. Step 5: Solve for x
    x = 148,237,558,871.95/443,441.36
  6. Step 6: Final answer
    x = 334,288.98

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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.