Home / 1,092,815.40-1,639,223.10-1,026,330.60

Finding the Fourth Proportional to 1,092,815.40, 1,639,223.10 and 1,026,330.60

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Solution

The fourth proportional to 1,092,815.40, 1,639,223.10 and 1,026,330.60 is: 1,539,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,815.40 : 1,639,223.10 = 1,026,330.60 : x
  2. Step 2: Convert to fraction form
    1,092,815.40/1,639,223.10 = 1,026,330.60/x
  3. Step 3: Cross multiply
    1,092,815.40x = 1,639,223.10 × 1,026,330.60
  4. Step 4: Simplify right side
    1,092,815.40x = 1,682,384,827,756.86
  5. Step 5: Solve for x
    x = 1,682,384,827,756.86/1,092,815.40
  6. Step 6: Final answer
    x = 1,539,495.90

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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.