Home / 821,514.69-1,232,556.35-586,689.21

Finding the Fourth Proportional to 821,514.69, 1,232,556.35 and 586,689.21

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Solution

The fourth proportional to 821,514.69, 1,232,556.35 and 586,689.21 is: 880,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,514.69 : 1,232,556.35 = 586,689.21 : x
  2. Step 2: Convert to fraction form
    821,514.69/1,232,556.35 = 586,689.21/x
  3. Step 3: Cross multiply
    821,514.69x = 1,232,556.35 × 586,689.21
  4. Step 4: Simplify right side
    821,514.69x = 723,127,508,328.54
  5. Step 5: Solve for x
    x = 723,127,508,328.54/821,514.69
  6. Step 6: Final answer
    x = 880,236.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.