Home / 389,579.10-584,631.03-152,893.86

Finding the Fourth Proportional to 389,579.10, 584,631.03 and 152,893.86

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Solution

The fourth proportional to 389,579.10, 584,631.03 and 152,893.86 is: 229,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,579.10 : 584,631.03 = 152,893.86 : x
  2. Step 2: Convert to fraction form
    389,579.10/584,631.03 = 152,893.86/x
  3. Step 3: Cross multiply
    389,579.10x = 584,631.03 × 152,893.86
  4. Step 4: Simplify right side
    389,579.10x = 89,386,494,852.48
  5. Step 5: Solve for x
    x = 89,386,494,852.48/389,579.10
  6. Step 6: Final answer
    x = 229,443.76

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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.