Home / 656,137.40-982,823.70-531,721.40

Finding the Fourth Proportional to 656,137.40, 982,823.70 and 531,721.40

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Solution

The fourth proportional to 656,137.40, 982,823.70 and 531,721.40 is: 796,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,137.40 : 982,823.70 = 531,721.40 : x
  2. Step 2: Convert to fraction form
    656,137.40/982,823.70 = 531,721.40/x
  3. Step 3: Cross multiply
    656,137.40x = 982,823.70 × 531,721.40
  4. Step 4: Simplify right side
    656,137.40x = 522,588,393,717.18
  5. Step 5: Solve for x
    x = 522,588,393,717.18/656,137.40
  6. Step 6: Final answer
    x = 796,461.83

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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.