Home / 818,681.70-1,222,266.20-625,545.32

Finding the Fourth Proportional to 818,681.70, 1,222,266.20 and 625,545.32

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Solution

The fourth proportional to 818,681.70, 1,222,266.20 and 625,545.32 is: 933,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,681.70 : 1,222,266.20 = 625,545.32 : x
  2. Step 2: Convert to fraction form
    818,681.70/1,222,266.20 = 625,545.32/x
  3. Step 3: Cross multiply
    818,681.70x = 1,222,266.20 × 625,545.32
  4. Step 4: Simplify right side
    818,681.70x = 764,582,901,204.18
  5. Step 5: Solve for x
    x = 764,582,901,204.18/818,681.70
  6. Step 6: Final answer
    x = 933,919.62

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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.