Home / 1,177,736.71-1,766,613.90-644,967.11

Finding the Fourth Proportional to 1,177,736.71, 1,766,613.90 and 644,967.11

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Solution

The fourth proportional to 1,177,736.71, 1,766,613.90 and 644,967.11 is: 967,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,736.71 : 1,766,613.90 = 644,967.11 : x
  2. Step 2: Convert to fraction form
    1,177,736.71/1,766,613.90 = 644,967.11/x
  3. Step 3: Cross multiply
    1,177,736.71x = 1,766,613.90 × 644,967.11
  4. Step 4: Simplify right side
    1,177,736.71x = 1,139,407,854,838.85
  5. Step 5: Solve for x
    x = 1,139,407,854,838.85/1,177,736.71
  6. Step 6: Final answer
    x = 967,455.50

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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.