Home / 638,440.52-957,942.89-334,762.16

Finding the Fourth Proportional to 638,440.52, 957,942.89 and 334,762.16

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Solution

The fourth proportional to 638,440.52, 957,942.89 and 334,762.16 is: 502,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,440.52 : 957,942.89 = 334,762.16 : x
  2. Step 2: Convert to fraction form
    638,440.52/957,942.89 = 334,762.16/x
  3. Step 3: Cross multiply
    638,440.52x = 957,942.89 × 334,762.16
  4. Step 4: Simplify right side
    638,440.52x = 320,683,024,549.52
  5. Step 5: Solve for x
    x = 320,683,024,549.52/638,440.52
  6. Step 6: Final answer
    x = 502,291.16

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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.