Home / 854,153.30-1,280,573.85-480,176.30

Finding the Fourth Proportional to 854,153.30, 1,280,573.85 and 480,176.30

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Solution

The fourth proportional to 854,153.30, 1,280,573.85 and 480,176.30 is: 719,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,153.30 : 1,280,573.85 = 480,176.30 : x
  2. Step 2: Convert to fraction form
    854,153.30/1,280,573.85 = 480,176.30/x
  3. Step 3: Cross multiply
    854,153.30x = 1,280,573.85 × 480,176.30
  4. Step 4: Simplify right side
    854,153.30x = 614,901,213,169.76
  5. Step 5: Solve for x
    x = 614,901,213,169.76/854,153.30
  6. Step 6: Final answer
    x = 719,895.61

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Double scale
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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.