Home / 524,856.20-786,746.70-258,206.60

Finding the Fourth Proportional to 524,856.20, 786,746.70 and 258,206.60

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Solution

The fourth proportional to 524,856.20, 786,746.70 and 258,206.60 is: 387,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,856.20 : 786,746.70 = 258,206.60 : x
  2. Step 2: Convert to fraction form
    524,856.20/786,746.70 = 258,206.60/x
  3. Step 3: Cross multiply
    524,856.20x = 786,746.70 × 258,206.60
  4. Step 4: Simplify right side
    524,856.20x = 203,143,190,468.22
  5. Step 5: Solve for x
    x = 203,143,190,468.22/524,856.20
  6. Step 6: Final answer
    x = 387,045.42

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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.