Home / 905,900.61-1,359,223.40-400,194.69

Finding the Fourth Proportional to 905,900.61, 1,359,223.40 and 400,194.69

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Solution

The fourth proportional to 905,900.61, 1,359,223.40 and 400,194.69 is: 600,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,900.61 : 1,359,223.40 = 400,194.69 : x
  2. Step 2: Convert to fraction form
    905,900.61/1,359,223.40 = 400,194.69/x
  3. Step 3: Cross multiply
    905,900.61x = 1,359,223.40 × 400,194.69
  4. Step 4: Simplify right side
    905,900.61x = 543,953,985,202.77
  5. Step 5: Solve for x
    x = 543,953,985,202.77/905,900.61
  6. Step 6: Final answer
    x = 600,456.58

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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.