Home / 1,079,888.51-1,490,237.29-589,858.35

Finding the Fourth Proportional to 1,079,888.51, 1,490,237.29 and 589,858.35

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Solution

The fourth proportional to 1,079,888.51, 1,490,237.29 and 589,858.35 is: 813,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,888.51 : 1,490,237.29 = 589,858.35 : x
  2. Step 2: Convert to fraction form
    1,079,888.51/1,490,237.29 = 589,858.35/x
  3. Step 3: Cross multiply
    1,079,888.51x = 1,490,237.29 × 589,858.35
  4. Step 4: Simplify right side
    1,079,888.51x = 879,028,912,519.39
  5. Step 5: Solve for x
    x = 879,028,912,519.39/1,079,888.51
  6. Step 6: Final answer
    x = 813,999.69

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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.