Home / 803,276.94-1,107,613.23-512,499.48

Finding the Fourth Proportional to 803,276.94, 1,107,613.23 and 512,499.48

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Solution

The fourth proportional to 803,276.94, 1,107,613.23 and 512,499.48 is: 706,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,276.94 : 1,107,613.23 = 512,499.48 : x
  2. Step 2: Convert to fraction form
    803,276.94/1,107,613.23 = 512,499.48/x
  3. Step 3: Cross multiply
    803,276.94x = 1,107,613.23 × 512,499.48
  4. Step 4: Simplify right side
    803,276.94x = 567,651,204,416.12
  5. Step 5: Solve for x
    x = 567,651,204,416.12/803,276.94
  6. Step 6: Final answer
    x = 706,669.36

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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.