Home / 938,861.49-1,295,698.45-525,439.70

Finding the Fourth Proportional to 938,861.49, 1,295,698.45 and 525,439.70

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Solution

The fourth proportional to 938,861.49, 1,295,698.45 and 525,439.70 is: 725,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,861.49 : 1,295,698.45 = 525,439.70 : x
  2. Step 2: Convert to fraction form
    938,861.49/1,295,698.45 = 525,439.70/x
  3. Step 3: Cross multiply
    938,861.49x = 1,295,698.45 × 525,439.70
  4. Step 4: Simplify right side
    938,861.49x = 680,811,405,003.28
  5. Step 5: Solve for x
    x = 680,811,405,003.28/938,861.49
  6. Step 6: Final answer
    x = 725,145.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.