Home / 1,959,613.73-2,939,605.47-761,627.78

Finding the Fourth Proportional to 1,959,613.73, 2,939,605.47 and 761,627.78

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Solution

The fourth proportional to 1,959,613.73, 2,939,605.47 and 761,627.78 is: 1,142,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,613.73 : 2,939,605.47 = 761,627.78 : x
  2. Step 2: Convert to fraction form
    1,959,613.73/2,939,605.47 = 761,627.78/x
  3. Step 3: Cross multiply
    1,959,613.73x = 2,939,605.47 × 761,627.78
  4. Step 4: Simplify right side
    1,959,613.73x = 2,238,885,173,493.93
  5. Step 5: Solve for x
    x = 2,238,885,173,493.93/1,959,613.73
  6. Step 6: Final answer
    x = 1,142,513.52

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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.