Home / 653,639.06-980,459.36-204,362.28

Finding the Fourth Proportional to 653,639.06, 980,459.36 and 204,362.28

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Solution

The fourth proportional to 653,639.06, 980,459.36 and 204,362.28 is: 306,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,639.06 : 980,459.36 = 204,362.28 : x
  2. Step 2: Convert to fraction form
    653,639.06/980,459.36 = 204,362.28/x
  3. Step 3: Cross multiply
    653,639.06x = 980,459.36 × 204,362.28
  4. Step 4: Simplify right side
    653,639.06x = 200,368,910,256.94
  5. Step 5: Solve for x
    x = 200,368,910,256.94/653,639.06
  6. Step 6: Final answer
    x = 306,543.66

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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.