Home / 1,266,338.90-1,747,548.12-693,415.37

Finding the Fourth Proportional to 1,266,338.90, 1,747,548.12 and 693,415.37

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Solution

The fourth proportional to 1,266,338.90, 1,747,548.12 and 693,415.37 is: 956,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,338.90 : 1,747,548.12 = 693,415.37 : x
  2. Step 2: Convert to fraction form
    1,266,338.90/1,747,548.12 = 693,415.37/x
  3. Step 3: Cross multiply
    1,266,338.90x = 1,747,548.12 × 693,415.37
  4. Step 4: Simplify right side
    1,266,338.90x = 1,211,776,717,484.86
  5. Step 5: Solve for x
    x = 1,211,776,717,484.86/1,266,338.90
  6. Step 6: Final answer
    x = 956,913.45

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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.