Home / 755,257.02-1,132,888.50-305,986.38

Finding the Fourth Proportional to 755,257.02, 1,132,888.50 and 305,986.38

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Solution

The fourth proportional to 755,257.02, 1,132,888.50 and 305,986.38 is: 458,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,257.02 : 1,132,888.50 = 305,986.38 : x
  2. Step 2: Convert to fraction form
    755,257.02/1,132,888.50 = 305,986.38/x
  3. Step 3: Cross multiply
    755,257.02x = 1,132,888.50 × 305,986.38
  4. Step 4: Simplify right side
    755,257.02x = 346,648,451,058.63
  5. Step 5: Solve for x
    x = 346,648,451,058.63/755,257.02
  6. Step 6: Final answer
    x = 458,980.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.