Home / 1,693,495.56-2,337,004.02-919,127.79

Finding the Fourth Proportional to 1,693,495.56, 2,337,004.02 and 919,127.79

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Solution

The fourth proportional to 1,693,495.56, 2,337,004.02 and 919,127.79 is: 1,268,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,495.56 : 2,337,004.02 = 919,127.79 : x
  2. Step 2: Convert to fraction form
    1,693,495.56/2,337,004.02 = 919,127.79/x
  3. Step 3: Cross multiply
    1,693,495.56x = 2,337,004.02 × 919,127.79
  4. Step 4: Simplify right side
    1,693,495.56x = 2,148,005,340,123.72
  5. Step 5: Solve for x
    x = 2,148,005,340,123.72/1,693,495.56
  6. Step 6: Final answer
    x = 1,268,385.58

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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.