Home / 719,188.90-1,078,958.98-239,415.77

Finding the Fourth Proportional to 719,188.90, 1,078,958.98 and 239,415.77

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Solution

The fourth proportional to 719,188.90, 1,078,958.98 and 239,415.77 is: 359,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,188.90 : 1,078,958.98 = 239,415.77 : x
  2. Step 2: Convert to fraction form
    719,188.90/1,078,958.98 = 239,415.77/x
  3. Step 3: Cross multiply
    719,188.90x = 1,078,958.98 × 239,415.77
  4. Step 4: Simplify right side
    719,188.90x = 258,319,797,991.78
  5. Step 5: Solve for x
    x = 258,319,797,991.78/719,188.90
  6. Step 6: Final answer
    x = 359,182.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.