Home / 1,142,419.71-1,576,529.40-626,202.27

Finding the Fourth Proportional to 1,142,419.71, 1,576,529.40 and 626,202.27

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Solution

The fourth proportional to 1,142,419.71, 1,576,529.40 and 626,202.27 is: 864,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,419.71 : 1,576,529.40 = 626,202.27 : x
  2. Step 2: Convert to fraction form
    1,142,419.71/1,576,529.40 = 626,202.27/x
  3. Step 3: Cross multiply
    1,142,419.71x = 1,576,529.40 × 626,202.27
  4. Step 4: Simplify right side
    1,142,419.71x = 987,226,289,001.74
  5. Step 5: Solve for x
    x = 987,226,289,001.74/1,142,419.71
  6. Step 6: Final answer
    x = 864,153.76

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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.