Home / 451,646.22-623,226.86-260,721.12

Finding the Fourth Proportional to 451,646.22, 623,226.86 and 260,721.12

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Solution

The fourth proportional to 451,646.22, 623,226.86 and 260,721.12 is: 359,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,646.22 : 623,226.86 = 260,721.12 : x
  2. Step 2: Convert to fraction form
    451,646.22/623,226.86 = 260,721.12/x
  3. Step 3: Cross multiply
    451,646.22x = 623,226.86 × 260,721.12
  4. Step 4: Simplify right side
    451,646.22x = 162,488,404,953.28
  5. Step 5: Solve for x
    x = 162,488,404,953.28/451,646.22
  6. Step 6: Final answer
    x = 359,769.21

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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.