Home / 438,140.20-604,491.78-244,516.45

Finding the Fourth Proportional to 438,140.20, 604,491.78 and 244,516.45

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Solution

The fourth proportional to 438,140.20, 604,491.78 and 244,516.45 is: 337,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,140.20 : 604,491.78 = 244,516.45 : x
  2. Step 2: Convert to fraction form
    438,140.20/604,491.78 = 244,516.45/x
  3. Step 3: Cross multiply
    438,140.20x = 604,491.78 × 244,516.45
  4. Step 4: Simplify right side
    438,140.20x = 147,808,184,099.78
  5. Step 5: Solve for x
    x = 147,808,184,099.78/438,140.20
  6. Step 6: Final answer
    x = 337,353.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.