Home / 346,759.86-520,290.06-122,280.70

Finding the Fourth Proportional to 346,759.86, 520,290.06 and 122,280.70

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Solution

The fourth proportional to 346,759.86, 520,290.06 and 122,280.70 is: 183,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,759.86 : 520,290.06 = 122,280.70 : x
  2. Step 2: Convert to fraction form
    346,759.86/520,290.06 = 122,280.70/x
  3. Step 3: Cross multiply
    346,759.86x = 520,290.06 × 122,280.70
  4. Step 4: Simplify right side
    346,759.86x = 63,621,432,739.84
  5. Step 5: Solve for x
    x = 63,621,432,739.84/346,759.86
  6. Step 6: Final answer
    x = 183,474.04

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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.