Home / 912,037.44-1,258,585.92-509,629.44

Finding the Fourth Proportional to 912,037.44, 1,258,585.92 and 509,629.44

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Solution

The fourth proportional to 912,037.44, 1,258,585.92 and 509,629.44 is: 703,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,037.44 : 1,258,585.92 = 509,629.44 : x
  2. Step 2: Convert to fraction form
    912,037.44/1,258,585.92 = 509,629.44/x
  3. Step 3: Cross multiply
    912,037.44x = 1,258,585.92 × 509,629.44
  4. Step 4: Simplify right side
    912,037.44x = 641,412,437,601.49
  5. Step 5: Solve for x
    x = 641,412,437,601.49/912,037.44
  6. Step 6: Final answer
    x = 703,274.24

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1.5x scale

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.