Home / 1,120,916.02-1,546,419.64-690,449.62

Finding the Fourth Proportional to 1,120,916.02, 1,546,419.64 and 690,449.62

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Solution

The fourth proportional to 1,120,916.02, 1,546,419.64 and 690,449.62 is: 952,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,916.02 : 1,546,419.64 = 690,449.62 : x
  2. Step 2: Convert to fraction form
    1,120,916.02/1,546,419.64 = 690,449.62/x
  3. Step 3: Cross multiply
    1,120,916.02x = 1,546,419.64 × 690,449.62
  4. Step 4: Simplify right side
    1,120,916.02x = 1,067,724,852,798.54
  5. Step 5: Solve for x
    x = 1,067,724,852,798.54/1,120,916.02
  6. Step 6: Final answer
    x = 952,546.70

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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.