Home / 1,182,817.62-1,632,286.80-638,953.20

Finding the Fourth Proportional to 1,182,817.62, 1,632,286.80 and 638,953.20

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Solution

The fourth proportional to 1,182,817.62, 1,632,286.80 and 638,953.20 is: 881,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,817.62 : 1,632,286.80 = 638,953.20 : x
  2. Step 2: Convert to fraction form
    1,182,817.62/1,632,286.80 = 638,953.20/x
  3. Step 3: Cross multiply
    1,182,817.62x = 1,632,286.80 × 638,953.20
  4. Step 4: Simplify right side
    1,182,817.62x = 1,042,954,874,177.76
  5. Step 5: Solve for x
    x = 1,042,954,874,177.76/1,182,817.62
  6. Step 6: Final answer
    x = 881,754.60

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Double scale
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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.