Home / 455,972.92-683,971.06-216,030.64

Finding the Fourth Proportional to 455,972.92, 683,971.06 and 216,030.64

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Solution

The fourth proportional to 455,972.92, 683,971.06 and 216,030.64 is: 324,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,972.92 : 683,971.06 = 216,030.64 : x
  2. Step 2: Convert to fraction form
    455,972.92/683,971.06 = 216,030.64/x
  3. Step 3: Cross multiply
    455,972.92x = 683,971.06 × 216,030.64
  4. Step 4: Simplify right side
    455,972.92x = 147,758,705,833.28
  5. Step 5: Solve for x
    x = 147,758,705,833.28/455,972.92
  6. Step 6: Final answer
    x = 324,051.49

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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.