Home / 818,966.39-1,130,158.26-456,382.26

Finding the Fourth Proportional to 818,966.39, 1,130,158.26 and 456,382.26

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Solution

The fourth proportional to 818,966.39, 1,130,158.26 and 456,382.26 is: 629,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,966.39 : 1,130,158.26 = 456,382.26 : x
  2. Step 2: Convert to fraction form
    818,966.39/1,130,158.26 = 456,382.26/x
  3. Step 3: Cross multiply
    818,966.39x = 1,130,158.26 × 456,382.26
  4. Step 4: Simplify right side
    818,966.39x = 515,784,180,856.47
  5. Step 5: Solve for x
    x = 515,784,180,856.47/818,966.39
  6. Step 6: Final answer
    x = 629,798.96

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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.