Home / 886,011.96-1,329,293.72-317,397.96

Finding the Fourth Proportional to 886,011.96, 1,329,293.72 and 317,397.96

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Solution

The fourth proportional to 886,011.96, 1,329,293.72 and 317,397.96 is: 476,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,011.96 : 1,329,293.72 = 317,397.96 : x
  2. Step 2: Convert to fraction form
    886,011.96/1,329,293.72 = 317,397.96/x
  3. Step 3: Cross multiply
    886,011.96x = 1,329,293.72 × 317,397.96
  4. Step 4: Simplify right side
    886,011.96x = 421,915,114,968.81
  5. Step 5: Solve for x
    x = 421,915,114,968.81/886,011.96
  6. Step 6: Final answer
    x = 476,195.73

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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.