Home / 389,799.50-584,699.28-94,311.50

Finding the Fourth Proportional to 389,799.50, 584,699.28 and 94,311.50

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Solution

The fourth proportional to 389,799.50, 584,699.28 and 94,311.50 is: 141,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,799.50 : 584,699.28 = 94,311.50 : x
  2. Step 2: Convert to fraction form
    389,799.50/584,699.28 = 94,311.50/x
  3. Step 3: Cross multiply
    389,799.50x = 584,699.28 × 94,311.50
  4. Step 4: Simplify right side
    389,799.50x = 55,143,865,674.16
  5. Step 5: Solve for x
    x = 55,143,865,674.16/389,799.50
  6. Step 6: Final answer
    x = 141,467.26

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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.