Home / 782,859.08-1,174,282.40-465,212.36

Finding the Fourth Proportional to 782,859.08, 1,174,282.40 and 465,212.36

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Solution

The fourth proportional to 782,859.08, 1,174,282.40 and 465,212.36 is: 697,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,859.08 : 1,174,282.40 = 465,212.36 : x
  2. Step 2: Convert to fraction form
    782,859.08/1,174,282.40 = 465,212.36/x
  3. Step 3: Cross multiply
    782,859.08x = 1,174,282.40 × 465,212.36
  4. Step 4: Simplify right side
    782,859.08x = 546,290,686,610.46
  5. Step 5: Solve for x
    x = 546,290,686,610.46/782,859.08
  6. Step 6: Final answer
    x = 697,814.84

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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.