Home / 607,821.63-911,007.78-283,174.24

Finding the Fourth Proportional to 607,821.63, 911,007.78 and 283,174.24

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Solution

The fourth proportional to 607,821.63, 911,007.78 and 283,174.24 is: 424,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,821.63 : 911,007.78 = 283,174.24 : x
  2. Step 2: Convert to fraction form
    607,821.63/911,007.78 = 283,174.24/x
  3. Step 3: Cross multiply
    607,821.63x = 911,007.78 × 283,174.24
  4. Step 4: Simplify right side
    607,821.63x = 257,973,935,982.72
  5. Step 5: Solve for x
    x = 257,973,935,982.72/607,821.63
  6. Step 6: Final answer
    x = 424,423.75

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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.