Home / 829,491.40-1,244,237.10-811,059.40

Finding the Fourth Proportional to 829,491.40, 1,244,237.10 and 811,059.40

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Solution

The fourth proportional to 829,491.40, 1,244,237.10 and 811,059.40 is: 1,216,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,491.40 : 1,244,237.10 = 811,059.40 : x
  2. Step 2: Convert to fraction form
    829,491.40/1,244,237.10 = 811,059.40/x
  3. Step 3: Cross multiply
    829,491.40x = 1,244,237.10 × 811,059.40
  4. Step 4: Simplify right side
    829,491.40x = 1,009,150,195,783.74
  5. Step 5: Solve for x
    x = 1,009,150,195,783.74/829,491.40
  6. Step 6: Final answer
    x = 1,216,589.10

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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.