Home / 1,323,376.40-1,985,064.60-1,201,341.80

Finding the Fourth Proportional to 1,323,376.40, 1,985,064.60 and 1,201,341.80

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Solution

The fourth proportional to 1,323,376.40, 1,985,064.60 and 1,201,341.80 is: 1,802,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,376.40 : 1,985,064.60 = 1,201,341.80 : x
  2. Step 2: Convert to fraction form
    1,323,376.40/1,985,064.60 = 1,201,341.80/x
  3. Step 3: Cross multiply
    1,323,376.40x = 1,985,064.60 × 1,201,341.80
  4. Step 4: Simplify right side
    1,323,376.40x = 2,384,741,079,680.28
  5. Step 5: Solve for x
    x = 2,384,741,079,680.28/1,323,376.40
  6. Step 6: Final answer
    x = 1,802,012.70

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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.