Home / 653,250.76-979,494.80-253,424.36

Finding the Fourth Proportional to 653,250.76, 979,494.80 and 253,424.36

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Solution

The fourth proportional to 653,250.76, 979,494.80 and 253,424.36 is: 379,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,250.76 : 979,494.80 = 253,424.36 : x
  2. Step 2: Convert to fraction form
    653,250.76/979,494.80 = 253,424.36/x
  3. Step 3: Cross multiply
    653,250.76x = 979,494.80 × 253,424.36
  4. Step 4: Simplify right side
    653,250.76x = 248,227,842,813.33
  5. Step 5: Solve for x
    x = 248,227,842,813.33/653,250.76
  6. Step 6: Final answer
    x = 379,988.60

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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.