Home / 969,125.45-1,453,693.65-863,001.28

Finding the Fourth Proportional to 969,125.45, 1,453,693.65 and 863,001.28

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Solution

The fourth proportional to 969,125.45, 1,453,693.65 and 863,001.28 is: 1,294,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,125.45 : 1,453,693.65 = 863,001.28 : x
  2. Step 2: Convert to fraction form
    969,125.45/1,453,693.65 = 863,001.28/x
  3. Step 3: Cross multiply
    969,125.45x = 1,453,693.65 × 863,001.28
  4. Step 4: Simplify right side
    969,125.45x = 1,254,539,477,043.64
  5. Step 5: Solve for x
    x = 1,254,539,477,043.64/969,125.45
  6. Step 6: Final answer
    x = 1,294,506.79

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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.