Home / 1,113,126.71-1,536,115.32-629,681.58

Finding the Fourth Proportional to 1,113,126.71, 1,536,115.32 and 629,681.58

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Solution

The fourth proportional to 1,113,126.71, 1,536,115.32 and 629,681.58 is: 868,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,126.71 : 1,536,115.32 = 629,681.58 : x
  2. Step 2: Convert to fraction form
    1,113,126.71/1,536,115.32 = 629,681.58/x
  3. Step 3: Cross multiply
    1,113,126.71x = 1,536,115.32 × 629,681.58
  4. Step 4: Simplify right side
    1,113,126.71x = 967,263,521,759.81
  5. Step 5: Solve for x
    x = 967,263,521,759.81/1,113,126.71
  6. Step 6: Final answer
    x = 868,960.84

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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.