Home / 1,230,634.38-1,698,265.60-714,436.18

Finding the Fourth Proportional to 1,230,634.38, 1,698,265.60 and 714,436.18

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Solution

The fourth proportional to 1,230,634.38, 1,698,265.60 and 714,436.18 is: 985,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,634.38 : 1,698,265.60 = 714,436.18 : x
  2. Step 2: Convert to fraction form
    1,230,634.38/1,698,265.60 = 714,436.18/x
  3. Step 3: Cross multiply
    1,230,634.38x = 1,698,265.60 × 714,436.18
  4. Step 4: Simplify right side
    1,230,634.38x = 1,213,302,387,889.41
  5. Step 5: Solve for x
    x = 1,213,302,387,889.41/1,230,634.38
  6. Step 6: Final answer
    x = 985,916.21

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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.