Home / 462,933.81-638,916.66-281,610.54

Finding the Fourth Proportional to 462,933.81, 638,916.66 and 281,610.54

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Solution

The fourth proportional to 462,933.81, 638,916.66 and 281,610.54 is: 388,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,933.81 : 638,916.66 = 281,610.54 : x
  2. Step 2: Convert to fraction form
    462,933.81/638,916.66 = 281,610.54/x
  3. Step 3: Cross multiply
    462,933.81x = 638,916.66 × 281,610.54
  4. Step 4: Simplify right side
    462,933.81x = 179,925,665,637.60
  5. Step 5: Solve for x
    x = 179,925,665,637.60/462,933.81
  6. Step 6: Final answer
    x = 388,663.91

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1.5x scale

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.