Home / 856,513.14-1,284,778.71-350,944.26

Finding the Fourth Proportional to 856,513.14, 1,284,778.71 and 350,944.26

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Solution

The fourth proportional to 856,513.14, 1,284,778.71 and 350,944.26 is: 526,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,513.14 : 1,284,778.71 = 350,944.26 : x
  2. Step 2: Convert to fraction form
    856,513.14/1,284,778.71 = 350,944.26/x
  3. Step 3: Cross multiply
    856,513.14x = 1,284,778.71 × 350,944.26
  4. Step 4: Simplify right side
    856,513.14x = 450,885,713,644.71
  5. Step 5: Solve for x
    x = 450,885,713,644.71/856,513.14
  6. Step 6: Final answer
    x = 526,420.08

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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.