Home / 1,930,665.80-2,895,480.30-808,502.60

Finding the Fourth Proportional to 1,930,665.80, 2,895,480.30 and 808,502.60

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Solution

The fourth proportional to 1,930,665.80, 2,895,480.30 and 808,502.60 is: 1,212,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,665.80 : 2,895,480.30 = 808,502.60 : x
  2. Step 2: Convert to fraction form
    1,930,665.80/2,895,480.30 = 808,502.60/x
  3. Step 3: Cross multiply
    1,930,665.80x = 2,895,480.30 × 808,502.60
  4. Step 4: Simplify right side
    1,930,665.80x = 2,341,003,350,798.78
  5. Step 5: Solve for x
    x = 2,341,003,350,798.78/1,930,665.80
  6. Step 6: Final answer
    x = 1,212,536.81

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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.