Home / 1,222,086.18-1,832,691.83-423,153.21

Finding the Fourth Proportional to 1,222,086.18, 1,832,691.83 and 423,153.21

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Solution

The fourth proportional to 1,222,086.18, 1,832,691.83 and 423,153.21 is: 634,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,086.18 : 1,832,691.83 = 423,153.21 : x
  2. Step 2: Convert to fraction form
    1,222,086.18/1,832,691.83 = 423,153.21/x
  3. Step 3: Cross multiply
    1,222,086.18x = 1,832,691.83 × 423,153.21
  4. Step 4: Simplify right side
    1,222,086.18x = 775,509,428,689.51
  5. Step 5: Solve for x
    x = 775,509,428,689.51/1,222,086.18
  6. Step 6: Final answer
    x = 634,578.35

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Double scale
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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.