Home / 1,276,904.28-1,762,141.48-703,964.96

Finding the Fourth Proportional to 1,276,904.28, 1,762,141.48 and 703,964.96

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Solution

The fourth proportional to 1,276,904.28, 1,762,141.48 and 703,964.96 is: 971,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,904.28 : 1,762,141.48 = 703,964.96 : x
  2. Step 2: Convert to fraction form
    1,276,904.28/1,762,141.48 = 703,964.96/x
  3. Step 3: Cross multiply
    1,276,904.28x = 1,762,141.48 × 703,964.96
  4. Step 4: Simplify right side
    1,276,904.28x = 1,240,485,856,482.54
  5. Step 5: Solve for x
    x = 1,240,485,856,482.54/1,276,904.28
  6. Step 6: Final answer
    x = 971,479.13

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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.