Home / 719,186.94-1,078,956.05-239,413.82

Finding the Fourth Proportional to 719,186.94, 1,078,956.05 and 239,413.82

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Solution

The fourth proportional to 719,186.94, 1,078,956.05 and 239,413.82 is: 359,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,186.94 : 1,078,956.05 = 239,413.82 : x
  2. Step 2: Convert to fraction form
    719,186.94/1,078,956.05 = 239,413.82/x
  3. Step 3: Cross multiply
    719,186.94x = 1,078,956.05 × 239,413.82
  4. Step 4: Simplify right side
    719,186.94x = 258,316,982,950.76
  5. Step 5: Solve for x
    x = 258,316,982,950.76/719,186.94
  6. Step 6: Final answer
    x = 359,179.19

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Double scale
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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.