Home / 792,415.86-1,188,810.41-630,920.71

Finding the Fourth Proportional to 792,415.86, 1,188,810.41 and 630,920.71

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Solution

The fourth proportional to 792,415.86, 1,188,810.41 and 630,920.71 is: 946,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,415.86 : 1,188,810.41 = 630,920.71 : x
  2. Step 2: Convert to fraction form
    792,415.86/1,188,810.41 = 630,920.71/x
  3. Step 3: Cross multiply
    792,415.86x = 1,188,810.41 × 630,920.71
  4. Step 4: Simplify right side
    792,415.86x = 750,045,106,264.00
  5. Step 5: Solve for x
    x = 750,045,106,264.00/792,415.86
  6. Step 6: Final answer
    x = 946,529.65

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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.