Home / 1,119,564.42-1,545,040.89-636,211.86

Finding the Fourth Proportional to 1,119,564.42, 1,545,040.89 and 636,211.86

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Solution

The fourth proportional to 1,119,564.42, 1,545,040.89 and 636,211.86 is: 877,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,564.42 : 1,545,040.89 = 636,211.86 : x
  2. Step 2: Convert to fraction form
    1,119,564.42/1,545,040.89 = 636,211.86/x
  3. Step 3: Cross multiply
    1,119,564.42x = 1,545,040.89 × 636,211.86
  4. Step 4: Simplify right side
    1,119,564.42x = 982,973,338,402.96
  5. Step 5: Solve for x
    x = 982,973,338,402.96/1,119,564.42
  6. Step 6: Final answer
    x = 877,996.23

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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.