Home / 389,501.74-584,328.35-149,598.09

Finding the Fourth Proportional to 389,501.74, 584,328.35 and 149,598.09

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Solution

The fourth proportional to 389,501.74, 584,328.35 and 149,598.09 is: 224,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,501.74 : 584,328.35 = 149,598.09 : x
  2. Step 2: Convert to fraction form
    389,501.74/584,328.35 = 149,598.09/x
  3. Step 3: Cross multiply
    389,501.74x = 584,328.35 × 149,598.09
  4. Step 4: Simplify right side
    389,501.74x = 87,414,404,181.69
  5. Step 5: Solve for x
    x = 87,414,404,181.69/389,501.74
  6. Step 6: Final answer
    x = 224,426.22

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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.