Home / 1,214,516-1,676,032.08-677,972

Finding the Fourth Proportional to 1,214,516, 1,676,032.08 and 677,972

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Solution

The fourth proportional to 1,214,516, 1,676,032.08 and 677,972 is: 935,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,516 : 1,676,032.08 = 677,972 : x
  2. Step 2: Convert to fraction form
    1,214,516/1,676,032.08 = 677,972/x
  3. Step 3: Cross multiply
    1,214,516x = 1,676,032.08 × 677,972
  4. Step 4: Simplify right side
    1,214,516x = 1,136,302,821,341.76
  5. Step 5: Solve for x
    x = 1,136,302,821,341.76/1,214,516
  6. Step 6: Final answer
    x = 935,601.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.