Home / 818,169.41-1,129,152.26-455,593.16

Finding the Fourth Proportional to 818,169.41, 1,129,152.26 and 455,593.16

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Solution

The fourth proportional to 818,169.41, 1,129,152.26 and 455,593.16 is: 628,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,169.41 : 1,129,152.26 = 455,593.16 : x
  2. Step 2: Convert to fraction form
    818,169.41/1,129,152.26 = 455,593.16/x
  3. Step 3: Cross multiply
    818,169.41x = 1,129,152.26 × 455,593.16
  4. Step 4: Simplify right side
    818,169.41x = 514,434,050,216.41
  5. Step 5: Solve for x
    x = 514,434,050,216.41/818,169.41
  6. Step 6: Final answer
    x = 628,762.26

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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.