Home / 524,869.20-786,766.20-258,219.60

Finding the Fourth Proportional to 524,869.20, 786,766.20 and 258,219.60

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Solution

The fourth proportional to 524,869.20, 786,766.20 and 258,219.60 is: 387,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,869.20 : 786,766.20 = 258,219.60 : x
  2. Step 2: Convert to fraction form
    524,869.20/786,766.20 = 258,219.60/x
  3. Step 3: Cross multiply
    524,869.20x = 786,766.20 × 258,219.60
  4. Step 4: Simplify right side
    524,869.20x = 203,158,453,457.52
  5. Step 5: Solve for x
    x = 203,158,453,457.52/524,869.20
  6. Step 6: Final answer
    x = 387,064.92

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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.