Home / 1,276,905.66-1,762,143.39-703,966.35

Finding the Fourth Proportional to 1,276,905.66, 1,762,143.39 and 703,966.35

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Solution

The fourth proportional to 1,276,905.66, 1,762,143.39 and 703,966.35 is: 971,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,905.66 : 1,762,143.39 = 703,966.35 : x
  2. Step 2: Convert to fraction form
    1,276,905.66/1,762,143.39 = 703,966.35/x
  3. Step 3: Cross multiply
    1,276,905.66x = 1,762,143.39 × 703,966.35
  4. Step 4: Simplify right side
    1,276,905.66x = 1,240,489,650,434.93
  5. Step 5: Solve for x
    x = 1,240,489,650,434.93/1,276,905.66
  6. Step 6: Final answer
    x = 971,481.05

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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.