Home / 1,130,859.56-1,560,566.18-621,561.80

Finding the Fourth Proportional to 1,130,859.56, 1,560,566.18 and 621,561.80

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Solution

The fourth proportional to 1,130,859.56, 1,560,566.18 and 621,561.80 is: 857,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,859.56 : 1,560,566.18 = 621,561.80 : x
  2. Step 2: Convert to fraction form
    1,130,859.56/1,560,566.18 = 621,561.80/x
  3. Step 3: Cross multiply
    1,130,859.56x = 1,560,566.18 × 621,561.80
  4. Step 4: Simplify right side
    1,130,859.56x = 969,988,323,859.92
  5. Step 5: Solve for x
    x = 969,988,323,859.92/1,130,859.56
  6. Step 6: Final answer
    x = 857,744.28

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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.