Home / 1,154,288.69-1,592,915.06-644,991.47

Finding the Fourth Proportional to 1,154,288.69, 1,592,915.06 and 644,991.47

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Solution

The fourth proportional to 1,154,288.69, 1,592,915.06 and 644,991.47 is: 890,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,288.69 : 1,592,915.06 = 644,991.47 : x
  2. Step 2: Convert to fraction form
    1,154,288.69/1,592,915.06 = 644,991.47/x
  3. Step 3: Cross multiply
    1,154,288.69x = 1,592,915.06 × 644,991.47
  4. Step 4: Simplify right side
    1,154,288.69x = 1,027,416,622,909.58
  5. Step 5: Solve for x
    x = 1,027,416,622,909.58/1,154,288.69
  6. Step 6: Final answer
    x = 890,086.36

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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.