Home / 1,663,918.40-2,296,207.56-899,972

Finding the Fourth Proportional to 1,663,918.40, 2,296,207.56 and 899,972

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Solution

The fourth proportional to 1,663,918.40, 2,296,207.56 and 899,972 is: 1,241,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,918.40 : 2,296,207.56 = 899,972 : x
  2. Step 2: Convert to fraction form
    1,663,918.40/2,296,207.56 = 899,972/x
  3. Step 3: Cross multiply
    1,663,918.40x = 2,296,207.56 × 899,972
  4. Step 4: Simplify right side
    1,663,918.40x = 2,066,522,510,188.32
  5. Step 5: Solve for x
    x = 2,066,522,510,188.32/1,663,918.40
  6. Step 6: Final answer
    x = 1,241,961.45

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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.