Home / 455,964.55-683,982.13-152,359.76

Finding the Fourth Proportional to 455,964.55, 683,982.13 and 152,359.76

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Solution

The fourth proportional to 455,964.55, 683,982.13 and 152,359.76 is: 228,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,964.55 : 683,982.13 = 152,359.76 : x
  2. Step 2: Convert to fraction form
    455,964.55/683,982.13 = 152,359.76/x
  3. Step 3: Cross multiply
    455,964.55x = 683,982.13 × 152,359.76
  4. Step 4: Simplify right side
    455,964.55x = 104,211,349,370.28
  5. Step 5: Solve for x
    x = 104,211,349,370.28/455,964.55
  6. Step 6: Final answer
    x = 228,551.43

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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.