Home / 685,688.94-1,024,363.62-443,832.66

Finding the Fourth Proportional to 685,688.94, 1,024,363.62 and 443,832.66

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Solution

The fourth proportional to 685,688.94, 1,024,363.62 and 443,832.66 is: 663,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,688.94 : 1,024,363.62 = 443,832.66 : x
  2. Step 2: Convert to fraction form
    685,688.94/1,024,363.62 = 443,832.66/x
  3. Step 3: Cross multiply
    685,688.94x = 1,024,363.62 × 443,832.66
  4. Step 4: Simplify right side
    685,688.94x = 454,646,030,271.83
  5. Step 5: Solve for x
    x = 454,646,030,271.83/685,688.94
  6. Step 6: Final answer
    x = 663,049.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.