Home / 1,019,632-1,406,518.24-611,625.28

Finding the Fourth Proportional to 1,019,632, 1,406,518.24 and 611,625.28

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Solution

The fourth proportional to 1,019,632, 1,406,518.24 and 611,625.28 is: 843,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,632 : 1,406,518.24 = 611,625.28 : x
  2. Step 2: Convert to fraction form
    1,019,632/1,406,518.24 = 611,625.28/x
  3. Step 3: Cross multiply
    1,019,632x = 1,406,518.24 × 611,625.28
  4. Step 4: Simplify right side
    1,019,632x = 860,262,112,365.11
  5. Step 5: Solve for x
    x = 860,262,112,365.11/1,019,632
  6. Step 6: Final answer
    x = 843,698.62

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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.