Home / 942,374.86-1,413,555.81-381,401.26

Finding the Fourth Proportional to 942,374.86, 1,413,555.81 and 381,401.26

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Solution

The fourth proportional to 942,374.86, 1,413,555.81 and 381,401.26 is: 572,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,374.86 : 1,413,555.81 = 381,401.26 : x
  2. Step 2: Convert to fraction form
    942,374.86/1,413,555.81 = 381,401.26/x
  3. Step 3: Cross multiply
    942,374.86x = 1,413,555.81 × 381,401.26
  4. Step 4: Simplify right side
    942,374.86x = 539,131,967,014.32
  5. Step 5: Solve for x
    x = 539,131,967,014.32/942,374.86
  6. Step 6: Final answer
    x = 572,099.27

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1.5x scale

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.