Home / 1,278,913.60-1,764,897.04-705,949.66

Finding the Fourth Proportional to 1,278,913.60, 1,764,897.04 and 705,949.66

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Solution

The fourth proportional to 1,278,913.60, 1,764,897.04 and 705,949.66 is: 974,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,913.60 : 1,764,897.04 = 705,949.66 : x
  2. Step 2: Convert to fraction form
    1,278,913.60/1,764,897.04 = 705,949.66/x
  3. Step 3: Cross multiply
    1,278,913.60x = 1,764,897.04 × 705,949.66
  4. Step 4: Simplify right side
    1,278,913.60x = 1,245,928,465,323.01
  5. Step 5: Solve for x
    x = 1,245,928,465,323.01/1,278,913.60
  6. Step 6: Final answer
    x = 974,208.47

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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.