Home / 1,142,037.35-1,575,861.42-682,984.23

Finding the Fourth Proportional to 1,142,037.35, 1,575,861.42 and 682,984.23

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Solution

The fourth proportional to 1,142,037.35, 1,575,861.42 and 682,984.23 is: 942,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,037.35 : 1,575,861.42 = 682,984.23 : x
  2. Step 2: Convert to fraction form
    1,142,037.35/1,575,861.42 = 682,984.23/x
  3. Step 3: Cross multiply
    1,142,037.35x = 1,575,861.42 × 682,984.23
  4. Step 4: Simplify right side
    1,142,037.35x = 1,076,288,494,807.03
  5. Step 5: Solve for x
    x = 1,076,288,494,807.03/1,142,037.35
  6. Step 6: Final answer
    x = 942,428.45

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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.