Home / 685,039.41-1,028,182.32-365,462.19

Finding the Fourth Proportional to 685,039.41, 1,028,182.32 and 365,462.19

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Solution

The fourth proportional to 685,039.41, 1,028,182.32 and 365,462.19 is: 548,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,039.41 : 1,028,182.32 = 365,462.19 : x
  2. Step 2: Convert to fraction form
    685,039.41/1,028,182.32 = 365,462.19/x
  3. Step 3: Cross multiply
    685,039.41x = 1,028,182.32 × 365,462.19
  4. Step 4: Simplify right side
    685,039.41x = 375,761,762,386.48
  5. Step 5: Solve for x
    x = 375,761,762,386.48/685,039.41
  6. Step 6: Final answer
    x = 548,525.76

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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.