Home / 1,266,371.40-1,747,575.15-693,411.53

Finding the Fourth Proportional to 1,266,371.40, 1,747,575.15 and 693,411.53

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Solution

The fourth proportional to 1,266,371.40, 1,747,575.15 and 693,411.53 is: 956,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,371.40 : 1,747,575.15 = 693,411.53 : x
  2. Step 2: Convert to fraction form
    1,266,371.40/1,747,575.15 = 693,411.53/x
  3. Step 3: Cross multiply
    1,266,371.40x = 1,747,575.15 × 693,411.53
  4. Step 4: Simplify right side
    1,266,371.40x = 1,211,788,749,813.60
  5. Step 5: Solve for x
    x = 1,211,788,749,813.60/1,266,371.40
  6. Step 6: Final answer
    x = 956,898.39

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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.