Home / 769,758.94-1,062,248.97-430,258.78

Finding the Fourth Proportional to 769,758.94, 1,062,248.97 and 430,258.78

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Solution

The fourth proportional to 769,758.94, 1,062,248.97 and 430,258.78 is: 593,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,758.94 : 1,062,248.97 = 430,258.78 : x
  2. Step 2: Convert to fraction form
    769,758.94/1,062,248.97 = 430,258.78/x
  3. Step 3: Cross multiply
    769,758.94x = 1,062,248.97 × 430,258.78
  4. Step 4: Simplify right side
    769,758.94x = 457,041,945,888.46
  5. Step 5: Solve for x
    x = 457,041,945,888.46/769,758.94
  6. Step 6: Final answer
    x = 593,746.85

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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.