Home / 1,424,005.48-2,135,675.95-412,856.06

Finding the Fourth Proportional to 1,424,005.48, 2,135,675.95 and 412,856.06

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Solution

The fourth proportional to 1,424,005.48, 2,135,675.95 and 412,856.06 is: 619,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,005.48 : 2,135,675.95 = 412,856.06 : x
  2. Step 2: Convert to fraction form
    1,424,005.48/2,135,675.95 = 412,856.06/x
  3. Step 3: Cross multiply
    1,424,005.48x = 2,135,675.95 × 412,856.06
  4. Step 4: Simplify right side
    1,424,005.48x = 881,726,758,153.76
  5. Step 5: Solve for x
    x = 881,726,758,153.76/1,424,005.48
  6. Step 6: Final answer
    x = 619,187.76

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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.