Home / 1,008,000.24-1,391,039.72-555,291.24

Finding the Fourth Proportional to 1,008,000.24, 1,391,039.72 and 555,291.24

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Solution

The fourth proportional to 1,008,000.24, 1,391,039.72 and 555,291.24 is: 766,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,000.24 : 1,391,039.72 = 555,291.24 : x
  2. Step 2: Convert to fraction form
    1,008,000.24/1,391,039.72 = 555,291.24/x
  3. Step 3: Cross multiply
    1,008,000.24x = 1,391,039.72 × 555,291.24
  4. Step 4: Simplify right side
    1,008,000.24x = 772,432,171,008.05
  5. Step 5: Solve for x
    x = 772,432,171,008.05/1,008,000.24
  6. Step 6: Final answer
    x = 766,301.57

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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.