Home / 935,630.40-1,404,136.80-619,982.40

Finding the Fourth Proportional to 935,630.40, 1,404,136.80 and 619,982.40

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Solution

The fourth proportional to 935,630.40, 1,404,136.80 and 619,982.40 is: 930,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,630.40 : 1,404,136.80 = 619,982.40 : x
  2. Step 2: Convert to fraction form
    935,630.40/1,404,136.80 = 619,982.40/x
  3. Step 3: Cross multiply
    935,630.40x = 1,404,136.80 × 619,982.40
  4. Step 4: Simplify right side
    935,630.40x = 870,540,103,192.32
  5. Step 5: Solve for x
    x = 870,540,103,192.32/935,630.40
  6. Step 6: Final answer
    x = 930,431.61

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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.