Home / 617,510.18-926,135.67-174,174.50

Finding the Fourth Proportional to 617,510.18, 926,135.67 and 174,174.50

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Solution

The fourth proportional to 617,510.18, 926,135.67 and 174,174.50 is: 261,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,510.18 : 926,135.67 = 174,174.50 : x
  2. Step 2: Convert to fraction form
    617,510.18/926,135.67 = 174,174.50/x
  3. Step 3: Cross multiply
    617,510.18x = 926,135.67 × 174,174.50
  4. Step 4: Simplify right side
    617,510.18x = 161,309,217,254.42
  5. Step 5: Solve for x
    x = 161,309,217,254.42/617,510.18
  6. Step 6: Final answer
    x = 261,225.20

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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.