Home / 1,142,270.76-1,576,343.04-632,981.64

Finding the Fourth Proportional to 1,142,270.76, 1,576,343.04 and 632,981.64

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Solution

The fourth proportional to 1,142,270.76, 1,576,343.04 and 632,981.64 is: 873,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,270.76 : 1,576,343.04 = 632,981.64 : x
  2. Step 2: Convert to fraction form
    1,142,270.76/1,576,343.04 = 632,981.64/x
  3. Step 3: Cross multiply
    1,142,270.76x = 1,576,343.04 × 632,981.64
  4. Step 4: Simplify right side
    1,142,270.76x = 997,796,202,661.79
  5. Step 5: Solve for x
    x = 997,796,202,661.79/1,142,270.76
  6. Step 6: Final answer
    x = 873,519.87

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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.