Home / 1,051,558.88-1,451,253.65-621,977.40

Finding the Fourth Proportional to 1,051,558.88, 1,451,253.65 and 621,977.40

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Solution

The fourth proportional to 1,051,558.88, 1,451,253.65 and 621,977.40 is: 858,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,558.88 : 1,451,253.65 = 621,977.40 : x
  2. Step 2: Convert to fraction form
    1,051,558.88/1,451,253.65 = 621,977.40/x
  3. Step 3: Cross multiply
    1,051,558.88x = 1,451,253.65 × 621,977.40
  4. Step 4: Simplify right side
    1,051,558.88x = 902,646,968,857.62
  5. Step 5: Solve for x
    x = 902,646,968,857.62/1,051,558.88
  6. Step 6: Final answer
    x = 858,389.38

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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.