Home / 1,969,812.60-2,952,645.30-771,271.80

Finding the Fourth Proportional to 1,969,812.60, 2,952,645.30 and 771,271.80

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Solution

The fourth proportional to 1,969,812.60, 2,952,645.30 and 771,271.80 is: 1,156,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,812.60 : 2,952,645.30 = 771,271.80 : x
  2. Step 2: Convert to fraction form
    1,969,812.60/2,952,645.30 = 771,271.80/x
  3. Step 3: Cross multiply
    1,969,812.60x = 2,952,645.30 × 771,271.80
  4. Step 4: Simplify right side
    1,969,812.60x = 2,277,292,055,292.54
  5. Step 5: Solve for x
    x = 2,277,292,055,292.54/1,969,812.60
  6. Step 6: Final answer
    x = 1,156,095.79

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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.