Home / 1,672,564.31-2,307,953.63-927,471.42

Finding the Fourth Proportional to 1,672,564.31, 2,307,953.63 and 927,471.42

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Solution

The fourth proportional to 1,672,564.31, 2,307,953.63 and 927,471.42 is: 1,279,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,564.31 : 2,307,953.63 = 927,471.42 : x
  2. Step 2: Convert to fraction form
    1,672,564.31/2,307,953.63 = 927,471.42/x
  3. Step 3: Cross multiply
    1,672,564.31x = 2,307,953.63 × 927,471.42
  4. Step 4: Simplify right side
    1,672,564.31x = 2,140,561,025,872.90
  5. Step 5: Solve for x
    x = 2,140,561,025,872.90/1,672,564.31
  6. Step 6: Final answer
    x = 1,279,807.90

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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.