Home / 656,384.44-905,360.88-401,861.38

Finding the Fourth Proportional to 656,384.44, 905,360.88 and 401,861.38

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Solution

The fourth proportional to 656,384.44, 905,360.88 and 401,861.38 is: 554,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,384.44 : 905,360.88 = 401,861.38 : x
  2. Step 2: Convert to fraction form
    656,384.44/905,360.88 = 401,861.38/x
  3. Step 3: Cross multiply
    656,384.44x = 905,360.88 × 401,861.38
  4. Step 4: Simplify right side
    656,384.44x = 363,829,572,634.81
  5. Step 5: Solve for x
    x = 363,829,572,634.81/656,384.44
  6. Step 6: Final answer
    x = 554,293.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.