Home / 746,628.47-1,119,947.16-185,662.97

Finding the Fourth Proportional to 746,628.47, 1,119,947.16 and 185,662.97

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Solution

The fourth proportional to 746,628.47, 1,119,947.16 and 185,662.97 is: 278,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,628.47 : 1,119,947.16 = 185,662.97 : x
  2. Step 2: Convert to fraction form
    746,628.47/1,119,947.16 = 185,662.97/x
  3. Step 3: Cross multiply
    746,628.47x = 1,119,947.16 × 185,662.97
  4. Step 4: Simplify right side
    746,628.47x = 207,932,710,368.93
  5. Step 5: Solve for x
    x = 207,932,710,368.93/746,628.47
  6. Step 6: Final answer
    x = 278,495.56

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1.5x scale

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.