Home / 1,277,263.08-1,907,617.03-1,157,079.80

Finding the Fourth Proportional to 1,277,263.08, 1,907,617.03 and 1,157,079.80

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Solution

The fourth proportional to 1,277,263.08, 1,907,617.03 and 1,157,079.80 is: 1,728,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,263.08 : 1,907,617.03 = 1,157,079.80 : x
  2. Step 2: Convert to fraction form
    1,277,263.08/1,907,617.03 = 1,157,079.80/x
  3. Step 3: Cross multiply
    1,277,263.08x = 1,907,617.03 × 1,157,079.80
  4. Step 4: Simplify right side
    1,277,263.08x = 2,207,265,133,425.34
  5. Step 5: Solve for x
    x = 2,207,265,133,425.34/1,277,263.08
  6. Step 6: Final answer
    x = 1,728,120.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.