Home / 1,485,985.60-2,050,683.96-841,388.56

Finding the Fourth Proportional to 1,485,985.60, 2,050,683.96 and 841,388.56

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Solution

The fourth proportional to 1,485,985.60, 2,050,683.96 and 841,388.56 is: 1,161,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,985.60 : 2,050,683.96 = 841,388.56 : x
  2. Step 2: Convert to fraction form
    1,485,985.60/2,050,683.96 = 841,388.56/x
  3. Step 3: Cross multiply
    1,485,985.60x = 2,050,683.96 × 841,388.56
  4. Step 4: Simplify right side
    1,485,985.60x = 1,725,422,024,119.50
  5. Step 5: Solve for x
    x = 1,725,422,024,119.50/1,485,985.60
  6. Step 6: Final answer
    x = 1,161,129.71

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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.