Home / 1,929,726.72-2,893,812.48-581,472

Finding the Fourth Proportional to 1,929,726.72, 2,893,812.48 and 581,472

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Solution

The fourth proportional to 1,929,726.72, 2,893,812.48 and 581,472 is: 871,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,726.72 : 2,893,812.48 = 581,472 : x
  2. Step 2: Convert to fraction form
    1,929,726.72/2,893,812.48 = 581,472/x
  3. Step 3: Cross multiply
    1,929,726.72x = 2,893,812.48 × 581,472
  4. Step 4: Simplify right side
    1,929,726.72x = 1,682,670,930,370.56
  5. Step 5: Solve for x
    x = 1,682,670,930,370.56/1,929,726.72
  6. Step 6: Final answer
    x = 871,973.69

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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.