Home / 326,905.40-490,358.10-116,467.40

Finding the Fourth Proportional to 326,905.40, 490,358.10 and 116,467.40

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Solution

The fourth proportional to 326,905.40, 490,358.10 and 116,467.40 is: 174,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,905.40 : 490,358.10 = 116,467.40 : x
  2. Step 2: Convert to fraction form
    326,905.40/490,358.10 = 116,467.40/x
  3. Step 3: Cross multiply
    326,905.40x = 490,358.10 × 116,467.40
  4. Step 4: Simplify right side
    326,905.40x = 57,110,732,975.94
  5. Step 5: Solve for x
    x = 57,110,732,975.94/326,905.40
  6. Step 6: Final answer
    x = 174,701.10

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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.