Home / 456,261.68-684,394.02-171,875.91

Finding the Fourth Proportional to 456,261.68, 684,394.02 and 171,875.91

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Solution

The fourth proportional to 456,261.68, 684,394.02 and 171,875.91 is: 257,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,261.68 : 684,394.02 = 171,875.91 : x
  2. Step 2: Convert to fraction form
    456,261.68/684,394.02 = 171,875.91/x
  3. Step 3: Cross multiply
    456,261.68x = 684,394.02 × 171,875.91
  4. Step 4: Simplify right side
    456,261.68x = 117,630,844,986.06
  5. Step 5: Solve for x
    x = 117,630,844,986.06/456,261.68
  6. Step 6: Final answer
    x = 257,814.43

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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.