Home / 1,122,609.06-1,683,710.73-323,694.18

Finding the Fourth Proportional to 1,122,609.06, 1,683,710.73 and 323,694.18

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Solution

The fourth proportional to 1,122,609.06, 1,683,710.73 and 323,694.18 is: 485,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,609.06 : 1,683,710.73 = 323,694.18 : x
  2. Step 2: Convert to fraction form
    1,122,609.06/1,683,710.73 = 323,694.18/x
  3. Step 3: Cross multiply
    1,122,609.06x = 1,683,710.73 × 323,694.18
  4. Step 4: Simplify right side
    1,122,609.06x = 545,007,364,104.55
  5. Step 5: Solve for x
    x = 545,007,364,104.55/1,122,609.06
  6. Step 6: Final answer
    x = 485,482.78

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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.