Home / 959,622.24-1,439,438.06-391,009

Finding the Fourth Proportional to 959,622.24, 1,439,438.06 and 391,009

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Solution

The fourth proportional to 959,622.24, 1,439,438.06 and 391,009 is: 586,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,622.24 : 1,439,438.06 = 391,009 : x
  2. Step 2: Convert to fraction form
    959,622.24/1,439,438.06 = 391,009/x
  3. Step 3: Cross multiply
    959,622.24x = 1,439,438.06 × 391,009
  4. Step 4: Simplify right side
    959,622.24x = 562,833,236,402.54
  5. Step 5: Solve for x
    x = 562,833,236,402.54/959,622.24
  6. Step 6: Final answer
    x = 586,515.42

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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.