Home / 875,025-1,312,542.96-243,944.28

Finding the Fourth Proportional to 875,025, 1,312,542.96 and 243,944.28

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Solution

The fourth proportional to 875,025, 1,312,542.96 and 243,944.28 is: 365,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,025 : 1,312,542.96 = 243,944.28 : x
  2. Step 2: Convert to fraction form
    875,025/1,312,542.96 = 243,944.28/x
  3. Step 3: Cross multiply
    875,025x = 1,312,542.96 × 243,944.28
  4. Step 4: Simplify right side
    875,025x = 320,187,347,346.27
  5. Step 5: Solve for x
    x = 320,187,347,346.27/875,025
  6. Step 6: Final answer
    x = 365,917.94

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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.