Home / 514,849.23-771,961.19-230,485.77

Finding the Fourth Proportional to 514,849.23, 771,961.19 and 230,485.77

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Solution

The fourth proportional to 514,849.23, 771,961.19 and 230,485.77 is: 345,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,849.23 : 771,961.19 = 230,485.77 : x
  2. Step 2: Convert to fraction form
    514,849.23/771,961.19 = 230,485.77/x
  3. Step 3: Cross multiply
    514,849.23x = 771,961.19 × 230,485.77
  4. Step 4: Simplify right side
    514,849.23x = 177,926,068,134.84
  5. Step 5: Solve for x
    x = 177,926,068,134.84/514,849.23
  6. Step 6: Final answer
    x = 345,588.68

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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.