Home / 389,511.83-584,209.17-123,237.70

Finding the Fourth Proportional to 389,511.83, 584,209.17 and 123,237.70

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Solution

The fourth proportional to 389,511.83, 584,209.17 and 123,237.70 is: 184,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,511.83 : 584,209.17 = 123,237.70 : x
  2. Step 2: Convert to fraction form
    389,511.83/584,209.17 = 123,237.70/x
  3. Step 3: Cross multiply
    389,511.83x = 584,209.17 × 123,237.70
  4. Step 4: Simplify right side
    389,511.83x = 71,996,592,969.19
  5. Step 5: Solve for x
    x = 71,996,592,969.19/389,511.83
  6. Step 6: Final answer
    x = 184,838.01

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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.