Home / 1,056,651.10-1,585,851.45-488,905.90

Finding the Fourth Proportional to 1,056,651.10, 1,585,851.45 and 488,905.90

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Solution

The fourth proportional to 1,056,651.10, 1,585,851.45 and 488,905.90 is: 733,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,651.10 : 1,585,851.45 = 488,905.90 : x
  2. Step 2: Convert to fraction form
    1,056,651.10/1,585,851.45 = 488,905.90/x
  3. Step 3: Cross multiply
    1,056,651.10x = 1,585,851.45 × 488,905.90
  4. Step 4: Simplify right side
    1,056,651.10x = 775,332,130,428.56
  5. Step 5: Solve for x
    x = 775,332,130,428.56/1,056,651.10
  6. Step 6: Final answer
    x = 733,763.61

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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.