Home / 437,235.81-654,372.36-268,862.78

Finding the Fourth Proportional to 437,235.81, 654,372.36 and 268,862.78

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Solution

The fourth proportional to 437,235.81, 654,372.36 and 268,862.78 is: 402,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,235.81 : 654,372.36 = 268,862.78 : x
  2. Step 2: Convert to fraction form
    437,235.81/654,372.36 = 268,862.78/x
  3. Step 3: Cross multiply
    437,235.81x = 654,372.36 × 268,862.78
  4. Step 4: Simplify right side
    437,235.81x = 175,936,371,864.76
  5. Step 5: Solve for x
    x = 175,936,371,864.76/437,235.81
  6. Step 6: Final answer
    x = 402,383.26

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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.