Home / 567,501.24-783,157.77-312,861.54

Finding the Fourth Proportional to 567,501.24, 783,157.77 and 312,861.54

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Solution

The fourth proportional to 567,501.24, 783,157.77 and 312,861.54 is: 431,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,501.24 : 783,157.77 = 312,861.54 : x
  2. Step 2: Convert to fraction form
    567,501.24/783,157.77 = 312,861.54/x
  3. Step 3: Cross multiply
    567,501.24x = 783,157.77 × 312,861.54
  4. Step 4: Simplify right side
    567,501.24x = 245,019,945,985.17
  5. Step 5: Solve for x
    x = 245,019,945,985.17/567,501.24
  6. Step 6: Final answer
    x = 431,752.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.