Home / 555,786.24-766,985.51-301,137.42

Finding the Fourth Proportional to 555,786.24, 766,985.51 and 301,137.42

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Solution

The fourth proportional to 555,786.24, 766,985.51 and 301,137.42 is: 415,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,786.24 : 766,985.51 = 301,137.42 : x
  2. Step 2: Convert to fraction form
    555,786.24/766,985.51 = 301,137.42/x
  3. Step 3: Cross multiply
    555,786.24x = 766,985.51 × 301,137.42
  4. Step 4: Simplify right side
    555,786.24x = 230,968,041,287.82
  5. Step 5: Solve for x
    x = 230,968,041,287.82/555,786.24
  6. Step 6: Final answer
    x = 415,569.92

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Double scale
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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.