Home / 545,026.08-817,242.60-189,944.76

Finding the Fourth Proportional to 545,026.08, 817,242.60 and 189,944.76

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Solution

The fourth proportional to 545,026.08, 817,242.60 and 189,944.76 is: 284,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,026.08 : 817,242.60 = 189,944.76 : x
  2. Step 2: Convert to fraction form
    545,026.08/817,242.60 = 189,944.76/x
  3. Step 3: Cross multiply
    545,026.08x = 817,242.60 × 189,944.76
  4. Step 4: Simplify right side
    545,026.08x = 155,230,949,518.78
  5. Step 5: Solve for x
    x = 155,230,949,518.78/545,026.08
  6. Step 6: Final answer
    x = 284,813.80

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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.