Home / 656,536.23-984,890.48-257,125.11

Finding the Fourth Proportional to 656,536.23, 984,890.48 and 257,125.11

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Solution

The fourth proportional to 656,536.23, 984,890.48 and 257,125.11 is: 385,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,536.23 : 984,890.48 = 257,125.11 : x
  2. Step 2: Convert to fraction form
    656,536.23/984,890.48 = 257,125.11/x
  3. Step 3: Cross multiply
    656,536.23x = 984,890.48 × 257,125.11
  4. Step 4: Simplify right side
    656,536.23x = 253,240,067,953.93
  5. Step 5: Solve for x
    x = 253,240,067,953.93/656,536.23
  6. Step 6: Final answer
    x = 385,721.39

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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.