Home / 452,533.22-678,947.28-215,845.10

Finding the Fourth Proportional to 452,533.22, 678,947.28 and 215,845.10

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Solution

The fourth proportional to 452,533.22, 678,947.28 and 215,845.10 is: 323,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,533.22 : 678,947.28 = 215,845.10 : x
  2. Step 2: Convert to fraction form
    452,533.22/678,947.28 = 215,845.10/x
  3. Step 3: Cross multiply
    452,533.22x = 678,947.28 × 215,845.10
  4. Step 4: Simplify right side
    452,533.22x = 146,547,443,546.33
  5. Step 5: Solve for x
    x = 146,547,443,546.33/452,533.22
  6. Step 6: Final answer
    x = 323,837.98

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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.