Home / 443,476.08-611,983.32-252,516.72

Finding the Fourth Proportional to 443,476.08, 611,983.32 and 252,516.72

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Solution

The fourth proportional to 443,476.08, 611,983.32 and 252,516.72 is: 348,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,476.08 : 611,983.32 = 252,516.72 : x
  2. Step 2: Convert to fraction form
    443,476.08/611,983.32 = 252,516.72/x
  3. Step 3: Cross multiply
    443,476.08x = 611,983.32 × 252,516.72
  4. Step 4: Simplify right side
    443,476.08x = 154,536,020,661.11
  5. Step 5: Solve for x
    x = 154,536,020,661.11/443,476.08
  6. Step 6: Final answer
    x = 348,465.29

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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.