Home / 640,823.34-961,330.57-235,984.41

Finding the Fourth Proportional to 640,823.34, 961,330.57 and 235,984.41

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Solution

The fourth proportional to 640,823.34, 961,330.57 and 235,984.41 is: 354,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,823.34 : 961,330.57 = 235,984.41 : x
  2. Step 2: Convert to fraction form
    640,823.34/961,330.57 = 235,984.41/x
  3. Step 3: Cross multiply
    640,823.34x = 961,330.57 × 235,984.41
  4. Step 4: Simplify right side
    640,823.34x = 226,859,029,473.89
  5. Step 5: Solve for x
    x = 226,859,029,473.89/640,823.34
  6. Step 6: Final answer
    x = 354,011.81

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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.