Home / 452,631.09-678,947.54-168,383.96

Finding the Fourth Proportional to 452,631.09, 678,947.54 and 168,383.96

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Solution

The fourth proportional to 452,631.09, 678,947.54 and 168,383.96 is: 252,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,631.09 : 678,947.54 = 168,383.96 : x
  2. Step 2: Convert to fraction form
    452,631.09/678,947.54 = 168,383.96/x
  3. Step 3: Cross multiply
    452,631.09x = 678,947.54 × 168,383.96
  4. Step 4: Simplify right side
    452,631.09x = 114,323,878,966.67
  5. Step 5: Solve for x
    x = 114,323,878,966.67/452,631.09
  6. Step 6: Final answer
    x = 252,576.29

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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.