Home / 901,636.64-1,244,258.93-493,763.87

Finding the Fourth Proportional to 901,636.64, 1,244,258.93 and 493,763.87

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Solution

The fourth proportional to 901,636.64, 1,244,258.93 and 493,763.87 is: 681,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,636.64 : 1,244,258.93 = 493,763.87 : x
  2. Step 2: Convert to fraction form
    901,636.64/1,244,258.93 = 493,763.87/x
  3. Step 3: Cross multiply
    901,636.64x = 1,244,258.93 × 493,763.87
  4. Step 4: Simplify right side
    901,636.64x = 614,370,108,903.92
  5. Step 5: Solve for x
    x = 614,370,108,903.92/901,636.64
  6. Step 6: Final answer
    x = 681,394.35

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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.