Home / 930,613.14-1,284,218.16-517,148.52

Finding the Fourth Proportional to 930,613.14, 1,284,218.16 and 517,148.52

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Solution

The fourth proportional to 930,613.14, 1,284,218.16 and 517,148.52 is: 713,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,613.14 : 1,284,218.16 = 517,148.52 : x
  2. Step 2: Convert to fraction form
    930,613.14/1,284,218.16 = 517,148.52/x
  3. Step 3: Cross multiply
    930,613.14x = 1,284,218.16 × 517,148.52
  4. Step 4: Simplify right side
    930,613.14x = 664,131,520,801.12
  5. Step 5: Solve for x
    x = 664,131,520,801.12/930,613.14
  6. Step 6: Final answer
    x = 713,649.41

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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.