Home / 626,126.40-938,966.40-226,663.56

Finding the Fourth Proportional to 626,126.40, 938,966.40 and 226,663.56

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Solution

The fourth proportional to 626,126.40, 938,966.40 and 226,663.56 is: 339,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,126.40 : 938,966.40 = 226,663.56 : x
  2. Step 2: Convert to fraction form
    626,126.40/938,966.40 = 226,663.56/x
  3. Step 3: Cross multiply
    626,126.40x = 938,966.40 × 226,663.56
  4. Step 4: Simplify right side
    626,126.40x = 212,829,466,944.38
  5. Step 5: Solve for x
    x = 212,829,466,944.38/626,126.40
  6. Step 6: Final answer
    x = 339,914.54

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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.