Home / 864,414.46-1,193,048.09-515,577.23

Finding the Fourth Proportional to 864,414.46, 1,193,048.09 and 515,577.23

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Solution

The fourth proportional to 864,414.46, 1,193,048.09 and 515,577.23 is: 711,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,414.46 : 1,193,048.09 = 515,577.23 : x
  2. Step 2: Convert to fraction form
    864,414.46/1,193,048.09 = 515,577.23/x
  3. Step 3: Cross multiply
    864,414.46x = 1,193,048.09 × 515,577.23
  4. Step 4: Simplify right side
    864,414.46x = 615,108,429,498.99
  5. Step 5: Solve for x
    x = 615,108,429,498.99/864,414.46
  6. Step 6: Final answer
    x = 711,589.70

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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.