Home / 1,332,900.23-1,839,396.74-721,051.45

Finding the Fourth Proportional to 1,332,900.23, 1,839,396.74 and 721,051.45

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Solution

The fourth proportional to 1,332,900.23, 1,839,396.74 and 721,051.45 is: 995,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,900.23 : 1,839,396.74 = 721,051.45 : x
  2. Step 2: Convert to fraction form
    1,332,900.23/1,839,396.74 = 721,051.45/x
  3. Step 3: Cross multiply
    1,332,900.23x = 1,839,396.74 × 721,051.45
  4. Step 4: Simplify right side
    1,332,900.23x = 1,326,299,686,502.27
  5. Step 5: Solve for x
    x = 1,326,299,686,502.27/1,332,900.23
  6. Step 6: Final answer
    x = 995,047.98

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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.