Home / 1,142,238.60-1,576,289.28-632,940.96

Finding the Fourth Proportional to 1,142,238.60, 1,576,289.28 and 632,940.96

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Solution

The fourth proportional to 1,142,238.60, 1,576,289.28 and 632,940.96 is: 873,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,238.60 : 1,576,289.28 = 632,940.96 : x
  2. Step 2: Convert to fraction form
    1,142,238.60/1,576,289.28 = 632,940.96/x
  3. Step 3: Cross multiply
    1,142,238.60x = 1,576,289.28 × 632,940.96
  4. Step 4: Simplify right side
    1,142,238.60x = 997,698,050,120.91
  5. Step 5: Solve for x
    x = 997,698,050,120.91/1,142,238.60
  6. Step 6: Final answer
    x = 873,458.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.