Home / 769,885.34-1,062,465.27-430,367.90

Finding the Fourth Proportional to 769,885.34, 1,062,465.27 and 430,367.90

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Solution

The fourth proportional to 769,885.34, 1,062,465.27 and 430,367.90 is: 593,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,885.34 : 1,062,465.27 = 430,367.90 : x
  2. Step 2: Convert to fraction form
    769,885.34/1,062,465.27 = 430,367.90/x
  3. Step 3: Cross multiply
    769,885.34x = 1,062,465.27 × 430,367.90
  4. Step 4: Simplify right side
    769,885.34x = 457,250,947,072.83
  5. Step 5: Solve for x
    x = 457,250,947,072.83/769,885.34
  6. Step 6: Final answer
    x = 593,920.84

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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.