Home / 2,953,653.90-4,430,480.85-709,791.90

Finding the Fourth Proportional to 2,953,653.90, 4,430,480.85 and 709,791.90

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Solution

The fourth proportional to 2,953,653.90, 4,430,480.85 and 709,791.90 is: 1,064,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,653.90 : 4,430,480.85 = 709,791.90 : x
  2. Step 2: Convert to fraction form
    2,953,653.90/4,430,480.85 = 709,791.90/x
  3. Step 3: Cross multiply
    2,953,653.90x = 4,430,480.85 × 709,791.90
  4. Step 4: Simplify right side
    2,953,653.90x = 3,144,719,420,435.12
  5. Step 5: Solve for x
    x = 3,144,719,420,435.12/2,953,653.90
  6. Step 6: Final answer
    x = 1,064,687.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.