Home / 907,533.20-1,361,299.80-863,246.45

Finding the Fourth Proportional to 907,533.20, 1,361,299.80 and 863,246.45

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Solution

The fourth proportional to 907,533.20, 1,361,299.80 and 863,246.45 is: 1,294,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,533.20 : 1,361,299.80 = 863,246.45 : x
  2. Step 2: Convert to fraction form
    907,533.20/1,361,299.80 = 863,246.45/x
  3. Step 3: Cross multiply
    907,533.20x = 1,361,299.80 × 863,246.45
  4. Step 4: Simplify right side
    907,533.20x = 1,175,137,219,735.71
  5. Step 5: Solve for x
    x = 1,175,137,219,735.71/907,533.20
  6. Step 6: Final answer
    x = 1,294,869.68

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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.