Home / 818,680.51-1,222,264.43-625,544.15

Finding the Fourth Proportional to 818,680.51, 1,222,264.43 and 625,544.15

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Solution

The fourth proportional to 818,680.51, 1,222,264.43 and 625,544.15 is: 933,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,680.51 : 1,222,264.43 = 625,544.15 : x
  2. Step 2: Convert to fraction form
    818,680.51/1,222,264.43 = 625,544.15/x
  3. Step 3: Cross multiply
    818,680.51x = 1,222,264.43 × 625,544.15
  4. Step 4: Simplify right side
    818,680.51x = 764,580,363,939.59
  5. Step 5: Solve for x
    x = 764,580,363,939.59/818,680.51
  6. Step 6: Final answer
    x = 933,917.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.