Home / 828,613.91-1,143,574.94-506,512.55

Finding the Fourth Proportional to 828,613.91, 1,143,574.94 and 506,512.55

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Solution

The fourth proportional to 828,613.91, 1,143,574.94 and 506,512.55 is: 699,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,613.91 : 1,143,574.94 = 506,512.55 : x
  2. Step 2: Convert to fraction form
    828,613.91/1,143,574.94 = 506,512.55/x
  3. Step 3: Cross multiply
    828,613.91x = 1,143,574.94 × 506,512.55
  4. Step 4: Simplify right side
    828,613.91x = 579,235,058,975.50
  5. Step 5: Solve for x
    x = 579,235,058,975.50/828,613.91
  6. Step 6: Final answer
    x = 699,040.96

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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.