Home / 740,086.44-1,021,345.82-417,853.88

Finding the Fourth Proportional to 740,086.44, 1,021,345.82 and 417,853.88

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Solution

The fourth proportional to 740,086.44, 1,021,345.82 and 417,853.88 is: 576,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,086.44 : 1,021,345.82 = 417,853.88 : x
  2. Step 2: Convert to fraction form
    740,086.44/1,021,345.82 = 417,853.88/x
  3. Step 3: Cross multiply
    740,086.44x = 1,021,345.82 × 417,853.88
  4. Step 4: Simplify right side
    740,086.44x = 426,773,313,708.78
  5. Step 5: Solve for x
    x = 426,773,313,708.78/740,086.44
  6. Step 6: Final answer
    x = 576,653.33

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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.