Home / 1,222,087.68-1,832,694.08-423,154.71

Finding the Fourth Proportional to 1,222,087.68, 1,832,694.08 and 423,154.71

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Solution

The fourth proportional to 1,222,087.68, 1,832,694.08 and 423,154.71 is: 634,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,087.68 : 1,832,694.08 = 423,154.71 : x
  2. Step 2: Convert to fraction form
    1,222,087.68/1,832,694.08 = 423,154.71/x
  3. Step 3: Cross multiply
    1,222,087.68x = 1,832,694.08 × 423,154.71
  4. Step 4: Simplify right side
    1,222,087.68x = 775,513,129,825.34
  5. Step 5: Solve for x
    x = 775,513,129,825.34/1,222,087.68
  6. Step 6: Final answer
    x = 634,580.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.