Home / 466,829.90-642,869.38-405,548.14

Finding the Fourth Proportional to 466,829.90, 642,869.38 and 405,548.14

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Solution

The fourth proportional to 466,829.90, 642,869.38 and 405,548.14 is: 558,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,829.90 : 642,869.38 = 405,548.14 : x
  2. Step 2: Convert to fraction form
    466,829.90/642,869.38 = 405,548.14/x
  3. Step 3: Cross multiply
    466,829.90x = 642,869.38 × 405,548.14
  4. Step 4: Simplify right side
    466,829.90x = 260,714,481,321.95
  5. Step 5: Solve for x
    x = 260,714,481,321.95/466,829.90
  6. Step 6: Final answer
    x = 558,478.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.