Home / 828,614.91-1,143,576.32-506,513.55

Finding the Fourth Proportional to 828,614.91, 1,143,576.32 and 506,513.55

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Solution

The fourth proportional to 828,614.91, 1,143,576.32 and 506,513.55 is: 699,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,614.91 : 1,143,576.32 = 506,513.55 : x
  2. Step 2: Convert to fraction form
    828,614.91/1,143,576.32 = 506,513.55/x
  3. Step 3: Cross multiply
    828,614.91x = 1,143,576.32 × 506,513.55
  4. Step 4: Simplify right side
    828,614.91x = 579,236,901,539.14
  5. Step 5: Solve for x
    x = 579,236,901,539.14/828,614.91
  6. Step 6: Final answer
    x = 699,042.34

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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.