Home / 1,214,918.87-1,822,428.11-416,749.32

Finding the Fourth Proportional to 1,214,918.87, 1,822,428.11 and 416,749.32

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Solution

The fourth proportional to 1,214,918.87, 1,822,428.11 and 416,749.32 is: 625,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,918.87 : 1,822,428.11 = 416,749.32 : x
  2. Step 2: Convert to fraction form
    1,214,918.87/1,822,428.11 = 416,749.32/x
  3. Step 3: Cross multiply
    1,214,918.87x = 1,822,428.11 × 416,749.32
  4. Step 4: Simplify right side
    1,214,918.87x = 759,495,676,633.26
  5. Step 5: Solve for x
    x = 759,495,676,633.26/1,214,918.87
  6. Step 6: Final answer
    x = 625,141.07

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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.