Home / 926,999.30-1,389,721.35-483,767.30

Finding the Fourth Proportional to 926,999.30, 1,389,721.35 and 483,767.30

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Solution

The fourth proportional to 926,999.30, 1,389,721.35 and 483,767.30 is: 725,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,999.30 : 1,389,721.35 = 483,767.30 : x
  2. Step 2: Convert to fraction form
    926,999.30/1,389,721.35 = 483,767.30/x
  3. Step 3: Cross multiply
    926,999.30x = 1,389,721.35 × 483,767.30
  4. Step 4: Simplify right side
    926,999.30x = 672,301,745,241.86
  5. Step 5: Solve for x
    x = 672,301,745,241.86/926,999.30
  6. Step 6: Final answer
    x = 725,245.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.