Home / 1,286,930.51-1,775,963.41-706,157.45

Finding the Fourth Proportional to 1,286,930.51, 1,775,963.41 and 706,157.45

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Solution

The fourth proportional to 1,286,930.51, 1,775,963.41 and 706,157.45 is: 974,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,930.51 : 1,775,963.41 = 706,157.45 : x
  2. Step 2: Convert to fraction form
    1,286,930.51/1,775,963.41 = 706,157.45/x
  3. Step 3: Cross multiply
    1,286,930.51x = 1,775,963.41 × 706,157.45
  4. Step 4: Simplify right side
    1,286,930.51x = 1,254,109,792,898.90
  5. Step 5: Solve for x
    x = 1,254,109,792,898.90/1,286,930.51
  6. Step 6: Final answer
    x = 974,496.90

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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.