Home / 1,065,718.90-1,471,343.82-693,536.47

Finding the Fourth Proportional to 1,065,718.90, 1,471,343.82 and 693,536.47

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Solution

The fourth proportional to 1,065,718.90, 1,471,343.82 and 693,536.47 is: 957,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,718.90 : 1,471,343.82 = 693,536.47 : x
  2. Step 2: Convert to fraction form
    1,065,718.90/1,471,343.82 = 693,536.47/x
  3. Step 3: Cross multiply
    1,065,718.90x = 1,471,343.82 × 693,536.47
  4. Step 4: Simplify right side
    1,065,718.90x = 1,020,430,599,079.12
  5. Step 5: Solve for x
    x = 1,020,430,599,079.12/1,065,718.90
  6. Step 6: Final answer
    x = 957,504.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.