Home / 982,984.81-1,355,820.27-656,133.03

Finding the Fourth Proportional to 982,984.81, 1,355,820.27 and 656,133.03

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Solution

The fourth proportional to 982,984.81, 1,355,820.27 and 656,133.03 is: 904,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,984.81 : 1,355,820.27 = 656,133.03 : x
  2. Step 2: Convert to fraction form
    982,984.81/1,355,820.27 = 656,133.03/x
  3. Step 3: Cross multiply
    982,984.81x = 1,355,820.27 × 656,133.03
  4. Step 4: Simplify right side
    982,984.81x = 889,598,454,345.69
  5. Step 5: Solve for x
    x = 889,598,454,345.69/982,984.81
  6. Step 6: Final answer
    x = 904,997.16

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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.