Home / 1,333,772.72-1,840,606.18-721,925.36

Finding the Fourth Proportional to 1,333,772.72, 1,840,606.18 and 721,925.36

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Solution

The fourth proportional to 1,333,772.72, 1,840,606.18 and 721,925.36 is: 996,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,772.72 : 1,840,606.18 = 721,925.36 : x
  2. Step 2: Convert to fraction form
    1,333,772.72/1,840,606.18 = 721,925.36/x
  3. Step 3: Cross multiply
    1,333,772.72x = 1,840,606.18 × 721,925.36
  4. Step 4: Simplify right side
    1,333,772.72x = 1,328,780,268,106.88
  5. Step 5: Solve for x
    x = 1,328,780,268,106.88/1,333,772.72
  6. Step 6: Final answer
    x = 996,256.90

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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.