Home / 1,158,609.54-1,598,975.84-642,525.06

Finding the Fourth Proportional to 1,158,609.54, 1,598,975.84 and 642,525.06

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Solution

The fourth proportional to 1,158,609.54, 1,598,975.84 and 642,525.06 is: 886,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,609.54 : 1,598,975.84 = 642,525.06 : x
  2. Step 2: Convert to fraction form
    1,158,609.54/1,598,975.84 = 642,525.06/x
  3. Step 3: Cross multiply
    1,158,609.54x = 1,598,975.84 × 642,525.06
  4. Step 4: Simplify right side
    1,158,609.54x = 1,027,382,047,534.55
  5. Step 5: Solve for x
    x = 1,027,382,047,534.55/1,158,609.54
  6. Step 6: Final answer
    x = 886,737.09

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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.