Home / 1,243,444.57-1,715,953.09-692,148.30

Finding the Fourth Proportional to 1,243,444.57, 1,715,953.09 and 692,148.30

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Solution

The fourth proportional to 1,243,444.57, 1,715,953.09 and 692,148.30 is: 955,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,444.57 : 1,715,953.09 = 692,148.30 : x
  2. Step 2: Convert to fraction form
    1,243,444.57/1,715,953.09 = 692,148.30/x
  3. Step 3: Cross multiply
    1,243,444.57x = 1,715,953.09 × 692,148.30
  4. Step 4: Simplify right side
    1,243,444.57x = 1,187,694,014,495.01
  5. Step 5: Solve for x
    x = 1,187,694,014,495.01/1,243,444.57
  6. Step 6: Final answer
    x = 955,164.42

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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.