Home / 1,238,100.30-1,857,150.45-706,659.30

Finding the Fourth Proportional to 1,238,100.30, 1,857,150.45 and 706,659.30

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Solution

The fourth proportional to 1,238,100.30, 1,857,150.45 and 706,659.30 is: 1,059,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,100.30 : 1,857,150.45 = 706,659.30 : x
  2. Step 2: Convert to fraction form
    1,238,100.30/1,857,150.45 = 706,659.30/x
  3. Step 3: Cross multiply
    1,238,100.30x = 1,857,150.45 × 706,659.30
  4. Step 4: Simplify right side
    1,238,100.30x = 1,312,372,636,991.69
  5. Step 5: Solve for x
    x = 1,312,372,636,991.69/1,238,100.30
  6. Step 6: Final answer
    x = 1,059,988.95

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Double scale
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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.