Home / 637,976.20-958,389.90-533,000.20

Finding the Fourth Proportional to 637,976.20, 958,389.90 and 533,000.20

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Solution

The fourth proportional to 637,976.20, 958,389.90 and 533,000.20 is: 800,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,976.20 : 958,389.90 = 533,000.20 : x
  2. Step 2: Convert to fraction form
    637,976.20/958,389.90 = 533,000.20/x
  3. Step 3: Cross multiply
    637,976.20x = 958,389.90 × 533,000.20
  4. Step 4: Simplify right side
    637,976.20x = 510,822,008,377.98
  5. Step 5: Solve for x
    x = 510,822,008,377.98/637,976.20
  6. Step 6: Final answer
    x = 800,691.32

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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.