Home / 818,679.51-1,222,262.94-625,543.15

Finding the Fourth Proportional to 818,679.51, 1,222,262.94 and 625,543.15

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Solution

The fourth proportional to 818,679.51, 1,222,262.94 and 625,543.15 is: 933,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,679.51 : 1,222,262.94 = 625,543.15 : x
  2. Step 2: Convert to fraction form
    818,679.51/1,222,262.94 = 625,543.15/x
  3. Step 3: Cross multiply
    818,679.51x = 1,222,262.94 × 625,543.15
  4. Step 4: Simplify right side
    818,679.51x = 764,578,200,376.83
  5. Step 5: Solve for x
    x = 764,578,200,376.83/818,679.51
  6. Step 6: Final answer
    x = 933,916.38

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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.