Home / 653,890.56-980,816.40-180,604.32

Finding the Fourth Proportional to 653,890.56, 980,816.40 and 180,604.32

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Solution

The fourth proportional to 653,890.56, 980,816.40 and 180,604.32 is: 270,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,890.56 : 980,816.40 = 180,604.32 : x
  2. Step 2: Convert to fraction form
    653,890.56/980,816.40 = 180,604.32/x
  3. Step 3: Cross multiply
    653,890.56x = 980,816.40 × 180,604.32
  4. Step 4: Simplify right side
    653,890.56x = 177,139,678,966.85
  5. Step 5: Solve for x
    x = 177,139,678,966.85/653,890.56
  6. Step 6: Final answer
    x = 270,901.11

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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.