Home / 1,253,991.52-1,730,518.47-681,035.80

Finding the Fourth Proportional to 1,253,991.52, 1,730,518.47 and 681,035.80

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Solution

The fourth proportional to 1,253,991.52, 1,730,518.47 and 681,035.80 is: 939,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,991.52 : 1,730,518.47 = 681,035.80 : x
  2. Step 2: Convert to fraction form
    1,253,991.52/1,730,518.47 = 681,035.80/x
  3. Step 3: Cross multiply
    1,253,991.52x = 1,730,518.47 × 681,035.80
  4. Step 4: Simplify right side
    1,253,991.52x = 1,178,545,030,631.23
  5. Step 5: Solve for x
    x = 1,178,545,030,631.23/1,253,991.52
  6. Step 6: Final answer
    x = 939,834.93

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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.