Home / 945,582.49-1,304,878.08-515,862.55

Finding the Fourth Proportional to 945,582.49, 1,304,878.08 and 515,862.55

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Solution

The fourth proportional to 945,582.49, 1,304,878.08 and 515,862.55 is: 711,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,582.49 : 1,304,878.08 = 515,862.55 : x
  2. Step 2: Convert to fraction form
    945,582.49/1,304,878.08 = 515,862.55/x
  3. Step 3: Cross multiply
    945,582.49x = 1,304,878.08 × 515,862.55
  4. Step 4: Simplify right side
    945,582.49x = 673,137,733,787.90
  5. Step 5: Solve for x
    x = 673,137,733,787.90/945,582.49
  6. Step 6: Final answer
    x = 711,876.27

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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.