Home / 1,323,336.20-1,985,004.30-819,451.40

Finding the Fourth Proportional to 1,323,336.20, 1,985,004.30 and 819,451.40

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Solution

The fourth proportional to 1,323,336.20, 1,985,004.30 and 819,451.40 is: 1,229,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,336.20 : 1,985,004.30 = 819,451.40 : x
  2. Step 2: Convert to fraction form
    1,323,336.20/1,985,004.30 = 819,451.40/x
  3. Step 3: Cross multiply
    1,323,336.20x = 1,985,004.30 × 819,451.40
  4. Step 4: Simplify right side
    1,323,336.20x = 1,626,614,552,641.02
  5. Step 5: Solve for x
    x = 1,626,614,552,641.02/1,323,336.20
  6. Step 6: Final answer
    x = 1,229,177.10

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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.