Home / 1,063,381.34-1,466,636.54-681,443.66

Finding the Fourth Proportional to 1,063,381.34, 1,466,636.54 and 681,443.66

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Solution

The fourth proportional to 1,063,381.34, 1,466,636.54 and 681,443.66 is: 939,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,381.34 : 1,466,636.54 = 681,443.66 : x
  2. Step 2: Convert to fraction form
    1,063,381.34/1,466,636.54 = 681,443.66/x
  3. Step 3: Cross multiply
    1,063,381.34x = 1,466,636.54 × 681,443.66
  4. Step 4: Simplify right side
    1,063,381.34x = 999,430,171,707.34
  5. Step 5: Solve for x
    x = 999,430,171,707.34/1,063,381.34
  6. Step 6: Final answer
    x = 939,860.55

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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.