Home / 828,615.41-1,143,577.01-506,514.05

Finding the Fourth Proportional to 828,615.41, 1,143,577.01 and 506,514.05

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Solution

The fourth proportional to 828,615.41, 1,143,577.01 and 506,514.05 is: 699,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,615.41 : 1,143,577.01 = 506,514.05 : x
  2. Step 2: Convert to fraction form
    828,615.41/1,143,577.01 = 506,514.05/x
  3. Step 3: Cross multiply
    828,615.41x = 1,143,577.01 × 506,514.05
  4. Step 4: Simplify right side
    828,615.41x = 579,237,822,821.99
  5. Step 5: Solve for x
    x = 579,237,822,821.99/828,615.41
  6. Step 6: Final answer
    x = 699,043.03

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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.