Home / 1,227,458.31-1,693,945.01-683,594.10

Finding the Fourth Proportional to 1,227,458.31, 1,693,945.01 and 683,594.10

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Solution

The fourth proportional to 1,227,458.31, 1,693,945.01 and 683,594.10 is: 943,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,458.31 : 1,693,945.01 = 683,594.10 : x
  2. Step 2: Convert to fraction form
    1,227,458.31/1,693,945.01 = 683,594.10/x
  3. Step 3: Cross multiply
    1,227,458.31x = 1,693,945.01 × 683,594.10
  4. Step 4: Simplify right side
    1,227,458.31x = 1,157,970,816,478.05
  5. Step 5: Solve for x
    x = 1,157,970,816,478.05/1,227,458.31
  6. Step 6: Final answer
    x = 943,389.12

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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.