Home / 982,901.14-1,355,883.35-676,445.47

Finding the Fourth Proportional to 982,901.14, 1,355,883.35 and 676,445.47

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Solution

The fourth proportional to 982,901.14, 1,355,883.35 and 676,445.47 is: 933,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,901.14 : 1,355,883.35 = 676,445.47 : x
  2. Step 2: Convert to fraction form
    982,901.14/1,355,883.35 = 676,445.47/x
  3. Step 3: Cross multiply
    982,901.14x = 1,355,883.35 × 676,445.47
  4. Step 4: Simplify right side
    982,901.14x = 917,181,143,183.99
  5. Step 5: Solve for x
    x = 917,181,143,183.99/982,901.14
  6. Step 6: Final answer
    x = 933,136.72

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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.