Home / 1,043,816.76-1,439,475.30-681,124.68

Finding the Fourth Proportional to 1,043,816.76, 1,439,475.30 and 681,124.68

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Solution

The fourth proportional to 1,043,816.76, 1,439,475.30 and 681,124.68 is: 939,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,816.76 : 1,439,475.30 = 681,124.68 : x
  2. Step 2: Convert to fraction form
    1,043,816.76/1,439,475.30 = 681,124.68/x
  3. Step 3: Cross multiply
    1,043,816.76x = 1,439,475.30 × 681,124.68
  4. Step 4: Simplify right side
    1,043,816.76x = 980,462,153,080.40
  5. Step 5: Solve for x
    x = 980,462,153,080.40/1,043,816.76
  6. Step 6: Final answer
    x = 939,304.86

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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.