Home / 1,151,628-1,588,818.24-667,921.92

Finding the Fourth Proportional to 1,151,628, 1,588,818.24 and 667,921.92

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Solution

The fourth proportional to 1,151,628, 1,588,818.24 and 667,921.92 is: 921,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,628 : 1,588,818.24 = 667,921.92 : x
  2. Step 2: Convert to fraction form
    1,151,628/1,588,818.24 = 667,921.92/x
  3. Step 3: Cross multiply
    1,151,628x = 1,588,818.24 × 667,921.92
  4. Step 4: Simplify right side
    1,151,628x = 1,061,206,529,391.82
  5. Step 5: Solve for x
    x = 1,061,206,529,391.82/1,151,628
  6. Step 6: Final answer
    x = 921,483.79

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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.