Home / 1,238,534.90-1,709,368.37-694,890.74

Finding the Fourth Proportional to 1,238,534.90, 1,709,368.37 and 694,890.74

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Solution

The fourth proportional to 1,238,534.90, 1,709,368.37 and 694,890.74 is: 959,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,534.90 : 1,709,368.37 = 694,890.74 : x
  2. Step 2: Convert to fraction form
    1,238,534.90/1,709,368.37 = 694,890.74/x
  3. Step 3: Cross multiply
    1,238,534.90x = 1,709,368.37 × 694,890.74
  4. Step 4: Simplify right side
    1,238,534.90x = 1,187,824,251,561.89
  5. Step 5: Solve for x
    x = 1,187,824,251,561.89/1,238,534.90
  6. Step 6: Final answer
    x = 959,055.94

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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.