Home / 674,268.81-1,011,802.23-248,103.90

Finding the Fourth Proportional to 674,268.81, 1,011,802.23 and 248,103.90

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Solution

The fourth proportional to 674,268.81, 1,011,802.23 and 248,103.90 is: 372,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,268.81 : 1,011,802.23 = 248,103.90 : x
  2. Step 2: Convert to fraction form
    674,268.81/1,011,802.23 = 248,103.90/x
  3. Step 3: Cross multiply
    674,268.81x = 1,011,802.23 × 248,103.90
  4. Step 4: Simplify right side
    674,268.81x = 251,032,074,232.69
  5. Step 5: Solve for x
    x = 251,032,074,232.69/674,268.81
  6. Step 6: Final answer
    x = 372,302.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.