Home / 437,968.20-657,125.10-171,683.40

Finding the Fourth Proportional to 437,968.20, 657,125.10 and 171,683.40

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Solution

The fourth proportional to 437,968.20, 657,125.10 and 171,683.40 is: 257,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,968.20 : 657,125.10 = 171,683.40 : x
  2. Step 2: Convert to fraction form
    437,968.20/657,125.10 = 171,683.40/x
  3. Step 3: Cross multiply
    437,968.20x = 657,125.10 × 171,683.40
  4. Step 4: Simplify right side
    437,968.20x = 112,817,471,393.34
  5. Step 5: Solve for x
    x = 112,817,471,393.34/437,968.20
  6. Step 6: Final answer
    x = 257,592.84

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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.