Home / 1,272,514.50-1,756,080.81-699,542.10

Finding the Fourth Proportional to 1,272,514.50, 1,756,080.81 and 699,542.10

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Solution

The fourth proportional to 1,272,514.50, 1,756,080.81 and 699,542.10 is: 965,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,514.50 : 1,756,080.81 = 699,542.10 : x
  2. Step 2: Convert to fraction form
    1,272,514.50/1,756,080.81 = 699,542.10/x
  3. Step 3: Cross multiply
    1,272,514.50x = 1,756,080.81 × 699,542.10
  4. Step 4: Simplify right side
    1,272,514.50x = 1,228,452,457,597.10
  5. Step 5: Solve for x
    x = 1,228,452,457,597.10/1,272,514.50
  6. Step 6: Final answer
    x = 965,374.04

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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.