Home / 437,328.09-603,561.79-243,753.47

Finding the Fourth Proportional to 437,328.09, 603,561.79 and 243,753.47

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Solution

The fourth proportional to 437,328.09, 603,561.79 and 243,753.47 is: 336,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,328.09 : 603,561.79 = 243,753.47 : x
  2. Step 2: Convert to fraction form
    437,328.09/603,561.79 = 243,753.47/x
  3. Step 3: Cross multiply
    437,328.09x = 603,561.79 × 243,753.47
  4. Step 4: Simplify right side
    437,328.09x = 147,120,280,671.91
  5. Step 5: Solve for x
    x = 147,120,280,671.91/437,328.09
  6. Step 6: Final answer
    x = 336,407.11

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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.