Home / 537,217.20-804,853.80-425,631.60

Finding the Fourth Proportional to 537,217.20, 804,853.80 and 425,631.60

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Solution

The fourth proportional to 537,217.20, 804,853.80 and 425,631.60 is: 637,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,217.20 : 804,853.80 = 425,631.60 : x
  2. Step 2: Convert to fraction form
    537,217.20/804,853.80 = 425,631.60/x
  3. Step 3: Cross multiply
    537,217.20x = 804,853.80 × 425,631.60
  4. Step 4: Simplify right side
    537,217.20x = 342,571,210,660.08
  5. Step 5: Solve for x
    x = 342,571,210,660.08/537,217.20
  6. Step 6: Final answer
    x = 637,677.29

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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.