Home / 1,447,809.90-1,996,331.48-923,815.64

Finding the Fourth Proportional to 1,447,809.90, 1,996,331.48 and 923,815.64

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Solution

The fourth proportional to 1,447,809.90, 1,996,331.48 and 923,815.64 is: 1,273,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,809.90 : 1,996,331.48 = 923,815.64 : x
  2. Step 2: Convert to fraction form
    1,447,809.90/1,996,331.48 = 923,815.64/x
  3. Step 3: Cross multiply
    1,447,809.90x = 1,996,331.48 × 923,815.64
  4. Step 4: Simplify right side
    1,447,809.90x = 1,844,242,243,848.35
  5. Step 5: Solve for x
    x = 1,844,242,243,848.35/1,447,809.90
  6. Step 6: Final answer
    x = 1,273,815.19

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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.