Home / 579,158.45-869,063.90-452,443.21

Finding the Fourth Proportional to 579,158.45, 869,063.90 and 452,443.21

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Solution

The fourth proportional to 579,158.45, 869,063.90 and 452,443.21 is: 678,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,158.45 : 869,063.90 = 452,443.21 : x
  2. Step 2: Convert to fraction form
    579,158.45/869,063.90 = 452,443.21/x
  3. Step 3: Cross multiply
    579,158.45x = 869,063.90 × 452,443.21
  4. Step 4: Simplify right side
    579,158.45x = 393,202,056,176.24
  5. Step 5: Solve for x
    x = 393,202,056,176.24/579,158.45
  6. Step 6: Final answer
    x = 678,919.66

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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.