Home / 587,921.85-811,330.83-326,317.25

Finding the Fourth Proportional to 587,921.85, 811,330.83 and 326,317.25

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Solution

The fourth proportional to 587,921.85, 811,330.83 and 326,317.25 is: 450,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,921.85 : 811,330.83 = 326,317.25 : x
  2. Step 2: Convert to fraction form
    587,921.85/811,330.83 = 326,317.25/x
  3. Step 3: Cross multiply
    587,921.85x = 811,330.83 × 326,317.25
  4. Step 4: Simplify right side
    587,921.85x = 264,751,242,750.41
  5. Step 5: Solve for x
    x = 264,751,242,750.41/587,921.85
  6. Step 6: Final answer
    x = 450,317.07

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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.