Home / 472,928.20-709,392.30-295,635.40

Finding the Fourth Proportional to 472,928.20, 709,392.30 and 295,635.40

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Solution

The fourth proportional to 472,928.20, 709,392.30 and 295,635.40 is: 443,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,928.20 : 709,392.30 = 295,635.40 : x
  2. Step 2: Convert to fraction form
    472,928.20/709,392.30 = 295,635.40/x
  3. Step 3: Cross multiply
    472,928.20x = 709,392.30 × 295,635.40
  4. Step 4: Simplify right side
    472,928.20x = 209,721,476,367.42
  5. Step 5: Solve for x
    x = 209,721,476,367.42/472,928.20
  6. Step 6: Final answer
    x = 443,453.10

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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.