Home / 1,663,353.84-2,295,333.10-938,158.28

Finding the Fourth Proportional to 1,663,353.84, 2,295,333.10 and 938,158.28

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Solution

The fourth proportional to 1,663,353.84, 2,295,333.10 and 938,158.28 is: 1,294,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,353.84 : 2,295,333.10 = 938,158.28 : x
  2. Step 2: Convert to fraction form
    1,663,353.84/2,295,333.10 = 938,158.28/x
  3. Step 3: Cross multiply
    1,663,353.84x = 2,295,333.10 × 938,158.28
  4. Step 4: Simplify right side
    1,663,353.84x = 2,153,385,753,123.07
  5. Step 5: Solve for x
    x = 2,153,385,753,123.07/1,663,353.84
  6. Step 6: Final answer
    x = 1,294,604.73

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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.