Home / 346,461.12-477,852.89-298,144.49

Finding the Fourth Proportional to 346,461.12, 477,852.89 and 298,144.49

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Solution

The fourth proportional to 346,461.12, 477,852.89 and 298,144.49 is: 411,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,461.12 : 477,852.89 = 298,144.49 : x
  2. Step 2: Convert to fraction form
    346,461.12/477,852.89 = 298,144.49/x
  3. Step 3: Cross multiply
    346,461.12x = 477,852.89 × 298,144.49
  4. Step 4: Simplify right side
    346,461.12x = 142,469,203,981.15
  5. Step 5: Solve for x
    x = 142,469,203,981.15/346,461.12
  6. Step 6: Final answer
    x = 411,212.68

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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.