Home / 818,537.16-1,129,564.26-455,960.52

Finding the Fourth Proportional to 818,537.16, 1,129,564.26 and 455,960.52

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Solution

The fourth proportional to 818,537.16, 1,129,564.26 and 455,960.52 is: 629,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,537.16 : 1,129,564.26 = 455,960.52 : x
  2. Step 2: Convert to fraction form
    818,537.16/1,129,564.26 = 455,960.52/x
  3. Step 3: Cross multiply
    818,537.16x = 1,129,564.26 × 455,960.52
  4. Step 4: Simplify right side
    818,537.16x = 515,036,707,363.02
  5. Step 5: Solve for x
    x = 515,036,707,363.02/818,537.16
  6. Step 6: Final answer
    x = 629,216.04

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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.