Home / 867,308.91-1,300,955.76-677,928.39

Finding the Fourth Proportional to 867,308.91, 1,300,955.76 and 677,928.39

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Solution

The fourth proportional to 867,308.91, 1,300,955.76 and 677,928.39 is: 1,016,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,308.91 : 1,300,955.76 = 677,928.39 : x
  2. Step 2: Convert to fraction form
    867,308.91/1,300,955.76 = 677,928.39/x
  3. Step 3: Cross multiply
    867,308.91x = 1,300,955.76 × 677,928.39
  4. Step 4: Simplify right side
    867,308.91x = 881,954,843,838.03
  5. Step 5: Solve for x
    x = 881,954,843,838.03/867,308.91
  6. Step 6: Final answer
    x = 1,016,886.64

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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.