Home / 452,215.73-678,316.57-152,906.51

Finding the Fourth Proportional to 452,215.73, 678,316.57 and 152,906.51

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Solution

The fourth proportional to 452,215.73, 678,316.57 and 152,906.51 is: 229,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,215.73 : 678,316.57 = 152,906.51 : x
  2. Step 2: Convert to fraction form
    452,215.73/678,316.57 = 152,906.51/x
  3. Step 3: Cross multiply
    452,215.73x = 678,316.57 × 152,906.51
  4. Step 4: Simplify right side
    452,215.73x = 103,719,019,393.87
  5. Step 5: Solve for x
    x = 103,719,019,393.87/452,215.73
  6. Step 6: Final answer
    x = 229,357.39

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1.5x scale

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.