Home / 455,973.48-683,974.11-156,449.82

Finding the Fourth Proportional to 455,973.48, 683,974.11 and 156,449.82

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Solution

The fourth proportional to 455,973.48, 683,974.11 and 156,449.82 is: 234,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,973.48 : 683,974.11 = 156,449.82 : x
  2. Step 2: Convert to fraction form
    455,973.48/683,974.11 = 156,449.82/x
  3. Step 3: Cross multiply
    455,973.48x = 683,974.11 × 156,449.82
  4. Step 4: Simplify right side
    455,973.48x = 107,007,626,394.16
  5. Step 5: Solve for x
    x = 107,007,626,394.16/455,973.48
  6. Step 6: Final answer
    x = 234,679.50

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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.