Home / 3,432,409.72-5,148,645.56-873,627.40

Finding the Fourth Proportional to 3,432,409.72, 5,148,645.56 and 873,627.40

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Solution

The fourth proportional to 3,432,409.72, 5,148,645.56 and 873,627.40 is: 1,310,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,409.72 : 5,148,645.56 = 873,627.40 : x
  2. Step 2: Convert to fraction form
    3,432,409.72/5,148,645.56 = 873,627.40/x
  3. Step 3: Cross multiply
    3,432,409.72x = 5,148,645.56 × 873,627.40
  4. Step 4: Simplify right side
    3,432,409.72x = 4,497,997,834,104.34
  5. Step 5: Solve for x
    x = 4,497,997,834,104.34/3,432,409.72
  6. Step 6: Final answer
    x = 1,310,448.99

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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.