Home / 648,953.92-973,680.17-457,012.55

Finding the Fourth Proportional to 648,953.92, 973,680.17 and 457,012.55

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Solution

The fourth proportional to 648,953.92, 973,680.17 and 457,012.55 is: 685,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,953.92 : 973,680.17 = 457,012.55 : x
  2. Step 2: Convert to fraction form
    648,953.92/973,680.17 = 457,012.55/x
  3. Step 3: Cross multiply
    648,953.92x = 973,680.17 × 457,012.55
  4. Step 4: Simplify right side
    648,953.92x = 444,984,057,376.13
  5. Step 5: Solve for x
    x = 444,984,057,376.13/648,953.92
  6. Step 6: Final answer
    x = 685,694.38

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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.